Mayer Steel Pipe Corporation 　Investor Conference

Business outlook Operational overview Financial overview Outline： Business outlook Operational overview Financial overview

External competitive environment, regulatory environment and overall economic environment A. Unfavourable competition in foreign trade B. China's steel trade is affected by counter-measures C. Global steel overcapacity impact on future steel prices D. The negative impact of the reform of labor laws E. The promotion of public works construction and the impact of changes in real estate supply and demand

Production and sales volume in the last two years： Unit :： Ton / Thousand NT Dollars   Department 2016 2017 2018.01-2018.09 Output Output value Steel department 136,313 3,476,805 137,138 3,890,335 91,395 2,922,651 合 計 Department 2016 2017 2018.01-2018.09 Domestic Sales Export Sales Sales volume Sales value Steel department 116,077 3,684,794 29,279 799,422 113,407 4,013,336 28,260 846,407 79,798 3,422,405 13,002 118,057 Investment department 906 7,478 10,804 Real estate investment department 合 計 3,685,700 4,020,814 3,433,209

For the year ended September 30,2018 Sales region of major commodities： Region 2016 2017 For the year ended September 30,2018 Net sales (Thousand NT$) proportion(%) Taiwan 3,685,699 82.18 4,015,259 82.5 3,141,451 88.45 Vietnam 612,251 13.65 590,069 12.12 239,999 6.76 Thailand 51,911 1.16 97,115 2 75,541 2.14 Other 135,261 3.01 164,778 3.38 94,275 2.65 Total 4,485,122 100 4,867,221 3,551,266 100.00

For the year ended September 30,2018 Investment department Percentage of sales revenue： Department 2016 2017 For the year ended September 30,2018 Sales value(%) Steel department 99.98 99.85 99.69 Investment department 0.02 0.15 0.31 Total 100.00

Future market development：   Carbon steel A. Raw material price fluctuations B. Public construction and civil construction C. Foreign demand for machine structural tubes

Stainless steel A. Raw material price fluctuation B. Stainless steel sheet C. Stainless steel tube

Overseas business development： A. Vietnam Mayer Co., LTD. Established：2006 /10 /19 Location： Vietnam Binh Duong Province Investment Amount：NT$ 212,601 thousand Percentage of share： 100% 2016 2017 2018.01~2018.09 Sales volume (Ton) Sales value (thousand) Vietnam Mayer 25,620 707,836 23,390 699,596 9,266 291,758

Sales value (thousand) B. Grand Tech Precision Manufacturing Co., LTD. Established ：2006 /5 /4 Location ：Thailand Pluakdaerg District Rayong Investment Amount ： NT$ 179,688 thousand Percentage of share ： 45.01% 2016 2017 2018.01-2018.09 Sales volume (Ton) Sales value (thousand) Grand Tech 6,351 343,090 7,122 379,560 5,491 309,142

Sales value (thousand) C. Diamond Precision Steel Corp. ( KY-Diamond ) Established ：2017 /1 /18 Location ：Cayman Investment Amount ：NTS 106,248 thousand Percentage of share ： 42.5% ※KY- Diamond 100% holding Diamond Steel Tube Enterprise Co.,Ltd ,information for Diamond Steel Tube Enterprise Co.,Ltd as follows： Established ：2008 /5 /29 Location ：Vietnam Vinh Phuc Province Capital Stock：USD 3,300 thousand 2016 2017 2018.01-2018.09 Sales volume (Ton) Sales value (thousand) Diamond Steel Tube 8,818 463,435 9,239 484,633 8,250 395,763

Financial Information for the Past Two Years Condensed Balance Sheet(consolidated) s (Unit: NTD thousands) Information for the Past Two Yea rs (Unit: NTD thousands) Year Item Financial Information for the Past Two Years (Unit: NTD thousands) For the Year Ended September 30,2018 2016 2017 Current assets 3,170,122 3,285,920 3,495,118 Property,Plant and Equipment 989,823 942,928 921,408 Intangible Assets 2,210 Other Assets 1,817,163 1,767,196 1,411,470 Total Assets 5,979,318 5,998,254 5,830,206 Current Liabilities 2,500,923 2,341,641 2,457,360 Non-current Liabilities 256,780 311,119 295,241 Total Liabilities 2,757,703 2,652,760 2,752,601 Capital Stock 2,371,261 2,335,261 2,305,261 Additional Paid-in Capital 260,856 257,095 289,979 Retained Earnings 594,797 722,510 747,000 Other Equity (146,134) (100,690) (220,744) Treasury Stock (6,156) (5,591) (43,862) Equity Attributable to Owners of the Company 3,074,624 3,208,585 3,077,634 Non-controlling Interests 146,991 136,909 (29) Total Equity 3,221,615 3,345,494 3,077,605

Statement of Comprehensive Income(consolidated)

Financial Analysis(consolidated)

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