On December 7, employees celebrated reaching 20 million tons and took a commemorative photo.

FINEX is an innovative, paradigm-shifting technology where molten iron is produced directly in a blast furnace. The process eliminates preliminary processing and uses cheaper powder-type iron ore and bituminous coal as raw materials. Subsequently, investment and production costs can be reduced by 85 percent compared to those of general blast furnaces of the same size. In addition, the technology reduces SOx and NOx emissions by 40 and 15 percent respectively, and fine dust particles can be reduced by 34 percent compared to general blast furnaces.

The beginnings of the technology date back to the 1990s when the Korean government chose POSCO’s smelting reduction steelmaking for a national project and contributed KRW 22.2 billion for research and development.

As a result, POSCO started operating the FINEX 2 plant with an annual production capacity of 1.5 million tons in 2007, and the FINEX 3 plant with an annual production capacity of 2 million tons in 2014, which now produces 10,000 tons of molten iron every day. Surprisingly, the Korean steel industry, which was heavily reliant on foreign technologies in 1968, now leads the world’s steel industry in terms of technology.

However, the path to success was filled with challenges.

In 1998, objections were raised against additional investment for the FINEX technology because there were no clear, tangible results even after KRW 60 billion was invested. Even so, POSCO management made a decision to construct a demo-plant with an additional investment of KRW 100 billion for technology development in order to secure long-term competitiveness rather than seeking immediate profit.   

In addition, POSCO convinced steelmaker Voestalpine, who was in possession of the world’s leading technology for molten iron production, to participate in the project as a partner. POSCO was able to do this by offering to cover the full cost of dispatched researchers and engineers should the technology become successful.

In 2003, there was a slight setback when the newly-opened core FINEX processing facility failed to operate successfully. However, after dozens of tests with 80 in-house professionals over 3 months, the facility was up and running.

Molten iron is produced directly in a furnace in the FINEX plant.

Sang-ho Lee, Director in Charge of Commercialization at POIST, said, “With less than 50 years of steelmaking experience, POSCO has managed to achieve a next-generation, innovative steel-producing technology. It feels great because even though POSCO started as a fast follower of foreign technologies, we are now a leading company in the world’s steel industry with our FINEX technology.”

POSCO currently has over 200 patents for its FINEX technology and HCI technology in Korea and 50 patents in more than 20 countries worldwide. Many overseas companies have expressed an interest in FINEX, and POSCO is in talks with world-renowned steelmakers in China to export its FINEX technology.

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Electrical Steel is used to make electric motors for EVs. (Source: Wonderful Engineering)

According to Markets and Markets, the market for electrical steel is projected to expand from USD 27.84 billion in 2016 to USD 38.98 billion by 2021, at a compound annual growth rate (CAGR) of 7 percent. Electrical steels go through various demanding production processes such as annealing, hot and cold rolling and insulation coating. Having the most advanced production technology is paramount, and choosing the best quality electrical steel will determine the overall performance and efficiency of EVs.

What is Electrical Steel?

Electrical steel, also known as silicon steel, is a steel alloy of iron and silicon used to make the cores of motors, transformers and generators.  This softer type of steel can generate various magnetic properties, has high permeability and low amounts of core loss. It has a small hysteresis curve, meaning reduced magnetic hysteresis as well as iron losses, or energy loss.

There are two kinds of structures for electrical steel; grain-oriented and non-oriented.

Grain-oriented electrical steel sheets are most commonly applied to transformers. (Source: Nikomag)

Grain-oriented electrical steel has a uniform, consistent direction of grains in its structure which allows for greater flux density and magnetic saturation. Most commonly, grain-oriented electrical steel is used for transformers which have a predictable and specific magnetic field direction.

Non-oriented electrical steel plates are traditionally welded together to form electrical motors. (Source: LHD Motor)

A major factor that determines the quality of electrical steel is minimal core loss. Due to the constant change in direction of the magnetic field, the energy that is created can easily be lost in the form of heat. Core loss reduction has to be achieved through high-quality electrical steels that have high flux density and lower levels of core losses.

POSCO’s Hyper NO

POSCO is one of a growing number of companies dedicated to doing its part in creating an environmentally sustainable future. That’s why POSCO has been developing its premium non-oriented electrical steel to provide partners with material solutions for EVs.

Take a look at the video below to see how Hyper NO can increase the performance and efficiency of electric vehicles.

POSCO’s Hyper NO is processed using innovative methods such as the self-bonding technology which replaces traditional welding procedures to improve the core’s bonding force. POSCO also managed to reduce core loss by 5 percent compared to traditional types of non-oriented electrical steel and reduce the motor noise by 5dB with its rolling technology that can process the Hyper NO down to an ultra-thin form of 0/15mm. These technologies, along with the Hyper NO’s high magnetic flux density will increase the efficiency of the motor and improve the overall performance vehicles to which it is applied. Hyper NO is highly sought after by automakers looking for premium-grade electrical steel to apply to their EV motors.    

In February 2017, POSCO expanded its production facilities at Pohang Steel Works to increase its annual production capacity of electrical steel from 80,000 tons to 160,000 tons, enough to produce 2.6 million motors for EVs. The strategic move is in line with POSCO’s commitment towards expanding environmentally-friendly businesses as well as its solution marketing efforts to provide customized material solutions to its partners.

In particular, through the recent zero-tariff measures taken among ASEAN Economic Community (AEC) member states and the Thai government’s push for more eco-friendly cars, the market is expected to see high growth potential with an expanded annual production capacity of 2.8 million by 2020.

POSCO TCS is positioned to take advantage of Thailand’s growing auto market.

Due to the growing auto market in Thailand, demand for automotive steel is also on the rise. Thai car makers all prefer to receive materials from local suppliers, so steel companies have begun building subsidiaries in the area.

POSCO TCS Opens in Thailand

In August of last year, POSCO TCS opened near Bangkok with a production capacity of 450,000 tons. With a local supply facility in Southeast Asia, POSCO can provide steel to automakers and parts manufacturers at more affordable rates and with higher quality control.

Chotika Arusawat (Procurement, left) explains the tax benefits for locally produced steel at POSCO TCS.

Chotika Arunsawat in the Procurement Department noted that “If automakers in the Southeast Asian region import POSCO steel from Korea they need to pay over 17% in taxes, but with POSCO TCS, they pay 0%. Also, the nearby Laem Chabang Port is one of the busiest container ports in the world making shipments to Malaysia, Vietnam, and Indonesia quick and simple.”

Having a local facility allows POSCO to build stronger strategic partnerships by smoothly supplying materials to global automakers and parts manufacturers in one of the largest car markets in the world. Narisara Im-Tua, who works in the Sales Department, told us that 85% of the steel products coming off the line were going to car makers and auto parts manufacturers, making POSCO TCS one of the largest steel suppliers in the region.

POSCO TCS is Defined by Superior Quality & Service

The plan to develop POSCO TCS began in 2011 with construction starting in 2014. When POSCO TCS went online in August 2016, other steel companies had already entered the market. However, POSCO is using its strategic advantages in production technologies, automotive steel expertise, and advanced production facilities to gain an upper hand.   

POSCO TCS President Lee Jin-soo says he is optimistic about the future of POSCO TCS in Thailand and the Southeast Asian.

In a recent interview, POSCO TCS President Lee Jin-soo noted that “POSCO is currently implementing systematic technology support with knowledge gleaned from other automotive steel facilities in Mexico, Indonesia, and China. Although other companies may have a head start, the future for POSCO TCS is looking bright due to our superior facilities and higher quality.”

To be a leader in the Southeast Asian region, POSCO TCS realizes it must manufacture superior products and offer better service than its competitors. Lee emphasized that POSCO TCS is “competing in the same industry to serve the same clients alongside some of the world’s best. Every employee at POSCO TCS must be devoted to securing a competitive advantage in all aspects of business.”

When asked how POSCO TCS can compete with other steel companies that have been in the region longer, Narisara Im-Tua stated matter-of-factly, “Because our quality is so high.” She added that POSCO TCS sends samples to Korea every 1-2 weeks for quality certificates and because of their consistently high-quality ratings, automotive customers are very happy.

Piyakun Boonmee (HR) explains POSCO’s commitment to quality for its customers.

Piyakun Boonmee in HR recounted the story of when a customer called Sales about a product that was not fitting in with their production process. The Sales Department reacted immediately, sending the Customer Service Department to the customer’s facility to check the product and production line. POSCO came back and worked to fine-tune the product so that it fit the customer’s specific production needs.

Boonmee stated that POSCO TCS customers “can contact our Customer Service Department at any time if there are any perceived quality issues. Our Quality Control Department will go directly to the customer’s factory to check the product and the production line. We work together with the customer to fine-tune the product until we are sure it meets the customer’s needs.”

A Culture of Trust & Leadership

We asked employees how POSCO TCS could maintain such high standards and quality for its products while also building strong relationships with its customers and employees. The most common response was about the healthy working environment.  

President Lee Jin-soo told us that “If you are respectful and considerate of everyone, employees are better able to work together and build a great product – regardless of cultural barriers or where they are from. For better performance, we empower them with training and the skills they need to succeed and we take care of any issues with respect.”  

Also, at POSCO TCS each employee is provided with 30-40 hours of training per year. These classes include everything from leadership and communications to learning Korean.

Everyone agreed that POSCO TCS was a great place to work, making it easier to work together for the customer.

When asked what it was like to work at POSCO TCS, Piyakun Boonmee said, “At POSCO TCS we are like a family and it is a happy place to work. Even though we work in separate teams, we are not separate, we work together for the customer – always striving to learn more and do better.”

Boonmee added, “In the future if we continue working like a family, we will be the #1 company in Thailand. After that, we’ll be number #1 in Southeast Asia. And we all share that goal.”

Throughout April & May, The Steel Wire will explore the uses and benefits of POSCO GIGA STEEL and what POSCO is doing to lead the industry with new automotive steel solutions.  Don’t miss any of the exciting stories from The Steel Wire – subscribe via email today.

It all started 49 years ago in a small fishing village on the East coast of Korea and has grown to be the fourth-largest steel producer in the world.

A Small Fishing Village with 39 Employees

To help rebuild the country after the end of the Korean War, President Park Chung-hee made steel production and heavy industry the centerpiece of his Second Five Year Plan (1967-1971). Despite there being no steel industry in Korea, President Park wanted to be able to manufacture steel domestically without relying on imports and foreign technology.

Opening of POSCO in April 1968

In 1965, President Park visited Pittsburgh, PA, where he gained insight into the steel industry and what would be required if Korea were to develop its own independent production facilities. One year later, Korea International Steel Associates (KISA) was formed. KISA included a consortium of eight companies from five different countries whose goal was to help Korea start its own integrated steelmaking facility. By 1967, the government approved a plan from KISA that included a basic agreement on technology & funding.

Pohang, a small fishing village on Korea’s eastern coast, was chosen as the official site of the steel mill. POSCO was officially incorporated on April 1, 1968, as a joint public-private venture with just 39 employees. Park Tae-joon came on board to serve as CEO and by May 1968, construction of POSCO’s headquarters had begun.

In May 1968 the POSCO headquarters construction had begun

Setbacks to Success  

Despite the steps taken to move Korea’s steel industry forward, there were many setbacks along the way. First, overshadowing each step of its development was the skepticism coming from both foreign and domestic fronts. Foreign investors could not understand why Korea would expand into industries it had no history with. And local leaders doubted their ability to overcome all of the technological, economic, and infrastructural hurdles facing them. To make matters worse, KISA was disbanded in September 1969 – leaving plans for POSCO up in the air.

Korean President Park Chung-hee was instrumental in getting POSCO off of the ground. Here he is at one of the blast furnaces at Pohang Works. (1976)

Determined to complete the project, President Park began negotiations with Japan who later provided the grants, loans, and technology for the construction of the initial plant. Construction of the steel mill started in 1970 and on June 9, 1973, at 7:30 am, the first steel came off of the line. By April 1974, they had decided to expand the capacity of the third furnace at Pohang Words to 5.5 million tons and the fourth furnace capacity was increased to 8.5 million tons.

Expansion

Because of POSCO’s early successes, the Korean government decided to build a second facility on the peninsula’s southern coast in Gwangyang. After the completion of the fourth phase of construction at Gwangyang, POSCO had a total of 20.8 million tons of crude steel production capacity. Of that total, Pohang was producing 9.4 million tons with Gwangyang producing 11.4 million tons. It earned the distinction of being the world’s largest steel mill and POSCO become one of the main driving forces behind the industrialization of Korea’s economy.

After its completion, Gwangyang Works was the largest integrated steel mill in the world. (1992)

In 1986, POSCO entered into a 50/50 joint venture with US Steel (UPI). Their partnership was set to develop a comprehensive modernization program that would upgrade the processes and equipment of the facility. Since the establishment of USS-POSCO Industries (UPI), POSCO has continued to branch out all over the globe. It has set up STS production plants at Zhangjiagang Pohang Stainless Steel (China) and POSCO Tai Knox (Thailand), and automotive steel plate production lines (CGL) in Mexico, India, and China. PT Krakatau POSCO was built in 2013 and was the first integrated steel mill in Southeast Asia.

POSCO Becomes the Most Competitive Steelmaker in the World

By 2014, production capacity had increased to 37.7 million tons. Pohang now has three heavy plate mills, four cold rolling mills, five blast furnaces, heavy plate mills, and four hot rolling mills. Beyond its scope and production capacities, POSCO is committed to developing advanced, high-quality World Premium Products. In addition, POSCO’s innovations in other industries, integration of smart factory technologies into the production process, and its commitment to local communities continue to push POSCO forward.

Advanced World Premium Products

With a focus on advanced steel solutions, POSCO has developed a wide range of products that can be customized to fit a customer’s unique needs. These World Premium Products are the reason POSCO has been listed as the most competitive steelmaker for seven years in a row. For example, PosMAC has been utilized in many different ways from floating solar cells to durable public art pieces. Also, POSCO’s award winning PosCozy floor plates provide soundproofing and heat insulation.

The hot rolling process at Gwangyang produces 3,400,000 tons per year

Lithium Extraction & Other Ventures

POSCO has also strengthened its global competitiveness by accelerating new businesses in the materials and energy industries. POSCO has developed a fuel cell plant that was completed in 2008, a Myanmar gas field that produces 500 million cubic feet of gas each day, and lithium extraction technology that is 10 times faster than previous methods.

Solution Marketing

In addition to manufacturing advanced, high-quality steel, POSCO’s Solution Marketing provides customers with added technology solutions and commercial support. Instead of just supplying products and stepping away from the customer, POSCO works with its customers to create customized solutions that ensure successful implementation. Partnering with manufacturers early on in the production process, POSCO has stepped beyond its role as a steel supplier and now serves as a solutions provider.

Smart Factory Technology

POSCO also incorporates cutting edge technology and innovations into its production processes. At its automotive steel plate factory in Gwangyang, POSCO introduced AI technology into its coating weight control system, improving quality and reducing waste. Also, POSCO CEO Ohjoon Kwon remains committed to developing more smart factory solutions and has been meeting with executives of other companies, such as GE and Siemens, to explore partnerships and best practices.

President Park Chung-hee comes to POSCO to celebrate the opening of Pohang Works

Someone seeing the successes of POSCO today might have a hard time understanding how it even started, much less how it was able to overcome the immense barriers it faced. POSCO continues to be a leader in the steel industry with its advanced, high-quality World Premium Products. Also, POSCO’s successes in its non-steel ventures show its commitment to remaining on the cutting edge of technological trends and industrial innovation. Watch the video below to see for yourself.

https://www.youtube.com/watch?v=nq574Ivp7c0

Earlier this month POSCO opened its first lithium extraction plant, PosLX, in Korea that is expected to produce 2,500 tons of lithium carbonate per year – enough to produce about 70 million laptop batteries. While most lithium carbonate is extracted from salt deposits, POSCO was the first to develop a way to extract it from wasted batteries.

Lithium Demand to Continue Rising

Demand for lithium-ion batteries is expected to rise exponentially in the coming years. Tesla, Chevrolet, Nissan, Toyota, and other upstarts are all expecting increased demand as their electric vehicles begin rolling off production lines. Overall, worldwide demand for lithium carbonate is expected to rise from 66,000 tons in 2015 to over 180,000 tons by 2025.

“With the supply of electric cars and the development of smart grid technology, the market is expected to result in massive growth.” – Ohjoon Kwon, CEO

POSCO Reduced Extraction Time to 8 hours

Starting in 2010 when CEO Ohjoon Kwon was the Director at the Research Institute of Industrial Science & Technology (RIST), POSCO began working on developing a high-efficiency technique for extracting lithium from water.

In 2010, POSCO began development of a new chemically based lithium extraction technology that is able to reduce extraction time while also improving efficiency and reliance on overseas imports. The first pilot program began in 2013 and POSCO recently became the world’s first corporation to commercialize chemically based lithium extraction technology.

Lithium extraction traditionally takes anywhere from 12-18 months using a slow evaporation technique. However, POSCO’s new extraction method takes from 8 hours up to one month while also offering a purity rate of 99.9% and increasing the lithium recovery rate to over 80%.

Furthering POSCO’s work in lithium extraction, in 2011 POSCO partnered with RIST to further establish pilot production facilities with an annual capacity of two tons. Since then, POSCO has successfully completed more pilot production facilities overseas at Chile’s Maricunga Salt Lake (2013), Argentina’s Pozuelos Salt Lake (2014), and Argentina’s Cauchari Salt Lake (2015). The lithium processing plant at the Pozuelos Salt Lake in Argentina will have an annual processing capacity of 2,500 tons of high-purity lithium that can be used in rechargeable car batteries.

Pozuelos Salt Lake in Argentina

Eco-friendly Extraction Using Recycled Batteries

POSCO has also commercialized a new eco-friendly technology used to produce lithium carbonate. While lithium is typically extracted from salt, for the first time ever, POSCO developed a way to extract lithium from recycled batteries.

The lithium carbonate produced from these recycled secondary batteries was tested in January 2017 and found to be of equal quality in terms of purity, charge, discharge efficiency, and capacity. This technology is used at POSCO’s PosLX plant with an annual capacity of 2,500 tons, and will help supply POSCO’s battery making partners such as LG Chem, Samsung SDI, and POSCO ESM, a subsidiary that produces cathodes for secondary batteries.

With POSCO’s unique technologies in place, POSCO is planning to increase production capacities to over 40,000 tons of lithium – both at home and abroad.

From left to right: Jae-chun Song, chairman of Gwangyang City Council, Hyun-bok Jeong, mayor of Gwangyang, Gi-jong Woo, deputy governor of South Jeolla Province, POSCO CEO Ohjoon Kwon, Ung-beom Lee, president of LG Chem and Nam-seong Cho, president of Samsung SDI who can be seen pressing symbolic buzzers to show that the plant is now online.

CEO Ohjoon Kwon’s Commitment to Grow POSCO’s Non-Steel Business

Since 2010 when he was a director at RIST, POSCO CEO Ohjoon Kwon has worked to promote the advancement of lithium extraction technology. His work can be seen in POSCO’s recent efforts to significantly cut extraction time while also finding new and eco-friendly sources of lithium carbonate.

POSCO Chairman Ohjoon Kwon gives a celebratory speech at a newly built lithium extract plant in Gwangyang, South Jeolla Province, on Feb. 7.

When Kwon was appointed as POSCO’s CEO in 2014, he focused on strengthening POSCO’s steel businesses. However, as he begins his second term, he has emphasized the need for POSCO to search for profitable growth engines in order to strengthen its global competitiveness.

“Our vision is what propelled us to keep going in spite of many difficulties and limitations.” – Ohjoon Kwon, CEO

In the world’s growing lithium market, POSCO is determined to become a leading supplier. While strengthening its non-steel business segments, POSCO will continue working to provide innovative technologies that are efficient, effective, and eco-friendly.

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The MOU-signing ceremony was held on October 17 in the POSCO magnesium plate factory in the Haeryong Industrial Complex in Suncheon. Approximately 20 people were present, including National Assembly member Jeonghyeon Lee, the governor of Jeolla-namdo Nakyeon Lee, the mayor of Suncheon Choonghoon Cho and POSCO CEO Ohjoon Kwon.

POSCO and Suncheon, Jeolla-namdo entered into an MOU on October 17 to expand the number of magnesium production facilities. Third from the left, National Assembly member Jeonghyeon Lee, governor of Jeolla-namdo Nakyeon Lee, POSCO CEO Ohjoon Kwon and the mayor of Suncheon Choonghoon Cho.

According to this MOU, POSCO and Suncheon will join forces in the purchase of a lot and the expansion of the facilities for producing automotive wide magnesium plates. They will also work side by side in transforming the Haeryong Industrial Complex into a light materials industry cluster by fostering and actively supporting magnesium-related SMEs.

Magnesium is in the spotlight as an ultra-light material that is lighter than aluminum and steel. As environment-friendly issues have emerged in the automotive industry, POSCO has focused on developments with magnesium, as it can be more effective than aluminum in terms of weight reduction. POSCO completed the magnesium plate factory in Suncheon in July 2007, and has since been producing and supplying alloy plates to domestic and overseas automakers and electronics companies.

POSCO’s magnesium was applied to Renault’s concept car ‘EOLAB,’ which was unveiled at the Paris Motor Show in October 2014. The roof of a standard car weights about 10kg, but the roof of ‘EOLAB’, which is made from POSCO’s magnesium plates, weighs about 4.5kg, and has accordingly attracted public attention.

POSCO is planning to capitalize on this expansion to preempt the anticipated increasing demand for magnesium for foreign automobiles, and become the first to make a move in the global market.

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POSCO CEO Ohjoon Kwon, fourth from left, with company executive during a ceremony to mark the construction of the steelmaker’s lithium processing plant in Salta, Argentina, February 14 (local time)

“We have brought our advanced and environmental-friendly technology to extract and process lithium,” said Kwon at the ceremony. “We will continue to expand our operations in Argentina and boost cooperation with our partners here to create a win-win solution for all.”

POSCO’s lithium processing plant will be located at Pozuelos Salt Lake, which rises 4,000 meters above sea level. It will have an annual processing capacity of 2,500 tons of high-purity lithium for rechargeable batteries, and will supply them to domestic and international mineral manufacturing enterprises that produce minerals for car batteries. Considering the fact that it takes an average of 40 kilograms of high-purified lithium to make a single electric car battery, this equates to about 60,000 electric cars a year.

Pozuelos Lake, which spans 106 square kilometers and is estimated to have about 1.5 million tons of lithium reserves, is considered to be an optimal location to produce lithium.

Pozuelos Salt Lake is considered to be an optimal location for producing lithium. POSCO plans to extract and process about 2,500 tons of lithium annually after completing the construction of the plant here by the end of this year.

Earlier this year, POSCO signed a supply contract with Lithea Inc. of Argentina, the company owning the mining rights of Pozuelo Salt Lake and securing the stable permissions to access the lake. POSCO also set a solid foundation for entering the lithium business through developing an independent technology that is economically-friendly.

The Pozuelo Salt Lake plant will use POSCO’s innovative and independent technology that dramatically reduces the lithium extraction period, which usually takes more than a year, through chemical reaction.

POSCO’s high-efficiency lithium extract technology, which was developed with support from the energy resource technology development project led by the Ministry of Trade, Industry and Energy in 2010, does not require a large area of salt farm compared to the conventional evaporation and extraction method, and is less affected by changes in climate. Moreover, since there is very little loss when extracting lithium, it is possible to extract the same amount of lithium, compared to the conventional process, even by using a less amount of salt water. Therefore, POSCO’s high-efficiency lithium extract technology is an economical and environmental-friendly technology.

POSCO’s lithium business is one of the main businesses that has taken the lead in developing production technologies since 2010, when POSCO CEO Ohjoon Kwon was the Director at the Research Institute of Industrial Science & Technology (RIST). Since the development of the company’s high-efficiency lithium extract technology in 2010, POSCO has been beefing up pilot production from 2 tons to 200 tons, while examining the economic viability of the technology.

The world’s lithium market has grown from 70,000 tons in 2002 to 170,000 tons in 2014, and is a promising market that is projected to grow to 270,000 tons by 2020. Of this, the lithium market for electric car batteries, which will be produced by POSCO, is expected to be 135,000 tons, accounting for half of the entire market. Nonetheless, the Korean battery manufacturers that depend entirely on lithium imports are currently suffering from unstable supplies and price hikes.

With an increase in sales of electric cars worldwide including China, which is aiming to further promote electric cars across the nation, the lithium industry is welcoming POSCO for its new lithium business. Due to the recent shortage of lithium supplies and price increases, global battery manufacturers are already starting to discuss the possibility of lithium supply contracts with POSCO.

Meanwhile, CEO Ohjoon Kwon had an exclusive meeting with Mauricio Macri, the president of Argentina, on February 15 following the ceremony marking the construction of the steelmaker’s lithium processing plant in Argentina. Kwon discussed POSCO’s excellent lithium extract technology and the technology development process. He also talked about future plans for building a consistent and cooperative relationship with Argentina for lithium development.

POSCO Lithium Business Progress

2010: Development of the world’s first independent lithium extract technology using chemical reaction

2011: Establishment and operation of pilot production facilities with RIST (Annual Capa: 2 tons)

– Process aim was 100% achieved and qualification process for enlargement was completed

2013: Completion of pilot production at Maricunga Salt Lake in Chile (Annual Capa: 20 tons)

2014: Completion of pilot production at Pozuelos Salt Lake in Argentina (Annual Capa: 20 tons)

2015: Completion of pilot production at Cauchari Salt Lake in Argentina (Annual Capa: 200 tons)

2016: Start of construction of lithium processing plant at Pozuelos Salt Lake in Argentina (Annual Capa: 2,500 tons); Projected to complete construction and begin production this year

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