AMKR insider transactions

EVP & General Counsel Rogers Mark N exercised 5,000 shares at a strike of $7.40 and sold $358,150 worth of shares (5,000 units at $71.63) as part of a pre-agreed trading plan (SEC Form 4)

CFO Faust Megan sold $64,600 worth of shares (1,000 units at $64.60) as part of a pre-agreed trading plan, decreasing direct ownership by 0.75% to 133,138 units (SEC Form 4)

SEC Form 4 filed by Director Alexander Douglas A

SEC Form 4 filed by Director Carolin Roger Anthony

SEC Form 4 filed by Member of 10% owner group (6) Kim Susan Y

SEC Form 4 filed by Director Morse Robert Randolph

Director Mccourt Maryfrances converted options into 9,893 shares, increasing direct ownership by 18% to 65,811 units (SEC Form 4)

SEC Form 4 filed by Director Liao Daniel Jl

Director Watson David N converted options into 9,893 shares, increasing direct ownership by 8% to 130,650 units (SEC Form 4)

Director Tily Gil C. converted options into 9,893 shares, increasing direct ownership by 9% to 118,699 units (SEC Form 4)

Director Rutten Guillaume Marie Jean converted options into 482 shares, increasing direct ownership by 0.10% to 503,040 units (SEC Form 4)

Director Churchill Winston J converted options into 9,893 shares, increasing direct ownership by 52% to 28,781 units (SEC Form 4)

Director Tily Gil C. sold $1,159,500 worth of shares (15,000 units at $77.30), decreasing direct ownership by 12% to 108,806 units (SEC Form 4)

Director Rutten Guillaume Marie Jean sold $3,714,000 worth of shares (50,000 units at $74.28), decreasing direct ownership by 9% to 502,558 units (SEC Form 4)

Director Alexander Douglas A exercised 5,000 shares at a strike of $9.39 and sold $382,900 worth of shares (5,000 units at $76.58) (SEC Form 4)

Director Churchill Winston J sold $535,150 worth of shares (7,000 units at $76.45), decreasing direct ownership by 27% to 18,888 units (SEC Form 4)

Director Carolin Roger Anthony exercised 20,000 shares at a strike of $11.71 and sold $1,524,800 worth of shares (20,000 units at $76.24) (SEC Form 4)

SEC Form 4 filed by Rogers Mark N

SEC Form 4 filed by Kim Susan Y

SEC Form 4 filed by Morse Robert Randolph

SEC Form 4 filed by Watson David N

SEC Form 4 filed by Tily Gil C.

SEC Form 4 filed by Rutten Guillaume Marie Jean

SEC Form 4 filed by Morse Robert Randolph

SEC Form 4 filed by Mccourt Maryfrances

SEC Form 4 filed by Kim Susan Y

SEC Form 4 filed by Liao Daniel Jl

SEC Form 4 filed by Faust Megan

SEC Form 4 filed by Engel Kevin K.

SEC Form 4 filed by Churchill Winston J

SEC Form 4 filed by Carolin Roger Anthony

SEC Form 4 filed by Alexander Douglas A

SEC Form 4 filed by Amkor Technology Inc.

SEC Form 4 filed by Chief Accounting Officer Buntyn Cherie

Amendment: New insider Buntyn Cherie claimed no ownership of stock in the company (SEC Form 3)

Director Rutten Guillaume Marie Jean converted options into 10,748 shares and sold $976,000 worth of shares (20,000 units at $48.80), decreasing direct ownership by 2% to 543,866 units (SEC Form 4)

President and CEO Engel Kevin K. converted options into 910 shares, covered exercise/tax liability with 372 shares and sold $609,375 worth of shares (12,500 units at $48.75), decreasing direct ownership by 80% to 2,953 units (SEC Form 4)

CFO Faust Megan converted options into 3,493 shares and covered exercise/tax liability with 1,497 shares, increasing direct ownership by 2% to 129,171 units (SEC Form 4)

EVP & General Counsel Rogers Mark N converted options into 1,880 shares and covered exercise/tax liability with 806 shares, increasing direct ownership by 3% to 38,904 units (SEC Form 4)

Director Watson David N exercised 20,000 shares at a strike of $5.66 and covered exercise/tax liability with 2,223 shares, increasing direct ownership by 17% to 120,757 units (SEC Form 4)

Executive Vice President Haghighi Farshad converted options into 1,814 shares, covered exercise/tax liability with 815 shares and sold $789,012 worth of shares (15,624 units at $50.50), decreasing direct ownership by 64% to 8,354 units (SEC Form 4)

President and CEO Engel Kevin K. converted options into 16,853 shares and covered exercise/tax liability with 6,883 shares, increasing direct ownership by 202% to 14,915 units (SEC Form 4)

CFO Faust Megan converted options into 34,911 shares and covered exercise/tax liability with 14,960 shares, increasing direct ownership by 19% to 127,175 units (SEC Form 4)

EVP & General Counsel Rogers Mark N converted options into 16,112 shares and covered exercise/tax liability with 6,905 shares, increasing direct ownership by 32% to 37,830 units (SEC Form 4)

Director Rutten Guillaume Marie Jean converted options into 172,329 shares, increasing direct ownership by 45% to 553,118 units (SEC Form 4)

Executive Vice President Haghighi Farshad converted options into 17,621 shares and covered exercise/tax liability with 7,907 shares, increasing direct ownership by 73% to 22,979 units (SEC Form 4)

CFO Faust Megan covered exercise/tax liability with 5,941 shares and was granted 13,863 shares, increasing direct ownership by 8% to 107,224 units (SEC Form 4)

Executive Vice President Haghighi Farshad was granted 7,597 shares and covered exercise/tax liability with 3,659 shares, increasing direct ownership by 42% to 13,265 units (SEC Form 4)

Director Rutten Guillaume Marie Jean was granted 41,478 shares, increasing direct ownership by 12% to 380,789 units (SEC Form 4)

President and CEO Engel Kevin K. covered exercise/tax liability with 3,212 shares and was granted 7,371 shares, increasing direct ownership by 529% to 4,945 units (SEC Form 4)

EVP & General Counsel Rogers Mark N was granted 6,478 shares and covered exercise/tax liability with 2,777 shares, increasing direct ownership by 15% to 28,623 units (SEC Form 4)

Director Rutten Guillaume Marie Jean sold $458,900 worth of shares (10,000 units at $45.89) and converted options into 13,920 shares, increasing direct ownership by 1% to 339,311 units (SEC Form 4)

President and CEO Engel Kevin K. converted options into 1,345 shares, covered exercise/tax liability with 559 shares and sold $244,695 worth of shares (5,316 units at $46.03), decreasing direct ownership by 85% to 786 units (SEC Form 4)

CFO Faust Megan converted options into 4,176 shares and covered exercise/tax liability with 1,912 shares, increasing direct ownership by 2% to 99,302 units (SEC Form 4)

EVP & General Counsel Rogers Mark N exercised 6,856 shares at a strike of $5.40, covered exercise/tax liability with 796 shares and sold $234,600 worth of shares (5,000 units at $46.92), increasing direct ownership by 4% to 24,922 units (SEC Form 4)

Executive Vice President Haghighi Farshad converted options into 1,789 shares and covered exercise/tax liability with 816 shares, increasing direct ownership by 12% to 9,327 units (SEC Form 4)

Member of 10% owner group (6) Kim John T sold $484,900,000 worth of shares (10,000,000 units at $48.49) (SEC Form 4)

Member of 10% owner group (2) 915 Investments, Lp sold $484,900,000 worth of shares (10,000,000 units at $48.49), decreasing direct ownership by 25% to 29,594,980 units (SEC Form 4)

SEC Form 3 filed by new insider Buntyn Cherie

Director Rutten Guillaume Marie Jean sold $531,400 worth of shares (10,000 units at $53.14), decreasing direct ownership by 3% to 335,391 units (SEC Form 4)