WLK insider transactions

EVP & CFO Bender Mark Steven converted options into 13,164 shares and covered exercise/tax liability with 5,284 shares, increasing direct ownership by 28% to 35,895 units (SEC Form 4) to cover withholding tax

SEC Form 4 filed by Powers Brian John

SEC Form 3 filed by new insider Powers Brian John

SEC Form 4 filed by Buesinger Robert F.

SEC Form 4 filed by Bender Mark Steven

Amendment: EVP & CFO Bender Mark Steven covered exercise/tax liability with 1,171 shares, decreasing direct ownership by 4% to 25,608 units (SEC Form 4)

EVP & CFO Bender Mark Steven exercised 12,693 shares at a strike of $76.42, returned $1,246,453 worth of shares to the company (12,693 units at $98.20) and sold $1,756,997 worth of shares (17,409 units at $100.92), decreasing direct ownership by 28% to 44,433 units (SEC Form 4)

SEC Form 4 filed by Director Patel Bhavesh V.

SEC Form 3 filed by new insider Patel Bhavesh V.

SVP, HIP Segment Head Szwejbka Scott Thomas covered exercise/tax liability with 91 shares and was granted 365 shares, increasing direct ownership by 2% to 13,773 units (SEC Form 4)

VP and CAO Holy Jeffrey Adam was granted 264 shares and covered exercise/tax liability with 81 shares, increasing direct ownership by 4% to 5,124 units (SEC Form 4)

SEC Form 4 filed by President and CEO Gilson Jean-Marc

EVP, Legal & External Affairs Ederington L. Benjamin was granted 1,425 shares and covered exercise/tax liability with 357 shares, increasing direct ownership by 1% to 80,158 units (SEC Form 4)

EVP, PEM Segment Head Buesinger Robert F. was granted 1,301 shares and covered exercise/tax liability with 326 shares, increasing direct ownership by 3% to 38,482 units (SEC Form 4)

EVP & CFO Bender Mark Steven was granted 1,777 shares and covered exercise/tax liability with 445 shares, increasing direct ownership by 2% to 61,842 units (SEC Form 4)

Director Chao John Tsung-Chen was granted 213 shares and covered exercise/tax liability with 91 shares, increasing direct ownership by 2% to 7,888 units (SEC Form 4)

Executive Chairman Chao Albert was granted 6,193 shares and covered exercise/tax liability with 2,501 shares, increasing direct ownership by 0.58% to 642,880 units (SEC Form 4)

Senior Chairman Chao James covered exercise/tax liability with 1,569 shares and was granted 3,884 shares, increasing direct ownership by 5% to 49,774 units (SEC Form 4)

SVP, HIP Segment Head Szwejbka Scott Thomas covered exercise/tax liability with 295 shares and converted options into 977 shares, increasing direct ownership by 5% to 13,499 units (SEC Form 4)

VP and CAO Holy Jeffrey Adam converted options into 706 shares and covered exercise/tax liability with 213 shares, increasing direct ownership by 11% to 4,941 units (SEC Form 4)

EVP, Legal & External Affairs Ederington L. Benjamin converted options into 3,809 shares and covered exercise/tax liability with 978 shares, increasing direct ownership by 4% to 79,090 units (SEC Form 4)

Senior Chairman Chao James covered exercise/tax liability with 2,664 shares and converted options into 10,382 shares, increasing direct ownership by 19% to 47,459 units (SEC Form 4)

Director Chao John Tsung-Chen converted options into 570 shares and covered exercise/tax liability with 242 shares, increasing direct ownership by 10% to 7,766 units (SEC Form 4)

Executive Chairman Chao Albert converted options into 16,555 shares and covered exercise/tax liability with 5,089 shares, increasing direct ownership by 2% to 639,188 units (SEC Form 4)

EVP, PEM Segment Head Buesinger Robert F. converted options into 3,478 shares and covered exercise/tax liability with 903 shares, increasing direct ownership by 7% to 37,507 units (SEC Form 4)

EVP & CFO Bender Mark Steven converted options into 4,751 shares and covered exercise/tax liability with 1,209 shares, increasing direct ownership by 6% to 60,510 units (SEC Form 4)

Executive Chairman Chao Albert exercised 81,673 shares at a strike of $44.42 and sold $3,004,373 worth of shares (40,836 units at $73.57), increasing direct ownership by 7% to 627,722 units (SEC Form 4)

Director Cregg Roger A converted options into 1,339 shares (SEC Form 4)

SVP, HIP Segment Head Szwejbka Scott Thomas converted options into 10,840 shares and covered exercise/tax liability with 3,842 shares, increasing direct ownership by 120% to 12,817 units (SEC Form 4)

Senior Chairman Chao James gifted 15,140 shares, decreasing direct ownership by 28% to 39,741 units (SEC Form 4)

Director Graff Michael J converted options into 1,128 shares, increasing direct ownership by 6% to 21,142 units (SEC Form 4)

Director Chao Catherine T. converted options into 1,128 shares, increasing direct ownership by 25% to 5,580 units (SEC Form 4)

Director Chao David Tsung-Hung converted options into 1,128 shares, increasing direct ownership by 14% to 8,912 units (SEC Form 4)

Director Northcutt R Bruce converted options into 1,128 shares, increasing direct ownership by 6% to 21,183 units (SEC Form 4)

Director Sabat Carolyn Chao converted options into 1,128 shares, increasing direct ownership by 46% to 3,580 units (SEC Form 4)

Director Mccollum Mark A converted options into 1,128 shares, increasing direct ownership by 13% to 9,656 units (SEC Form 4)

Director Lubel Kimberly S converted options into 1,128 shares, increasing direct ownership by 11% to 11,653 units (SEC Form 4)

SEC Form 4 filed by Director Cregg Roger A

Director Sheets Jeffrey Wayne converted options into 1,128 shares, increasing direct ownership by 10% to 12,759 units (SEC Form 4)

EVP, PEM Segment Head Buesinger Robert F. bought $7,751 worth of shares (83 units at $93.39) and sold $6,034 worth of shares (83 units at $72.70) (SEC Form 4)

SEC Form 4 filed by EVP, PEM Buesinger Robert F.

SEC Form 4 filed by SVP, HIP Szwejbka Scott Thomas

New insider Szwejbka Scott Thomas claimed ownership of 5,819 shares (SEC Form 3)

Amendment: Director Chao John Tsung-Chen was granted 955 shares and covered exercise/tax liability with 391 shares, increasing direct ownership by 5% to 7,038 units (SEC Form 4)

Amendment: Director Chao John Tsung-Chen converted options into 513 shares and covered exercise/tax liability with 235 shares, increasing direct ownership by 20% to 7,429 units (SEC Form 4)

SEC Form 4 filed by President and CEO Gilson Jean-Marc

SEC Form 4 filed by President and CEO Gilson Jean-Marc

Director Chao John Tsung-Chen was granted 955 shares, increasing direct ownership by 14% to 7,664 units (SEC Form 4)

VP and CAO Holy Jeffrey Adam was granted 1,306 shares and covered exercise/tax liability with 341 shares, increasing direct ownership by 28% to 4,448 units (SEC Form 4)

EVP, PEM, GC and CAO Ederington L. Benjamin was granted 7,305 shares and covered exercise/tax liability with 2,924 shares, increasing direct ownership by 6% to 76,259 units (SEC Form 4)

SVP, Ops - PEM & Corp Logistic Janssens Thomas J. was granted 2,444 shares and covered exercise/tax liability with 606 shares, increasing direct ownership by 12% to 17,127 units (SEC Form 4)

Senior Chairman Chao James was granted 16,375 shares and covered exercise/tax liability with 6,554 shares, increasing direct ownership by 22% to 54,881 units (SEC Form 4)

Executive Chairman Chao Albert was granted 33,456 shares and covered exercise/tax liability with 13,390 shares, increasing direct ownership by 4% to 586,885 units (SEC Form 4)

EVP, HIP, IT & Digital Buesinger Robert F. covered exercise/tax liability with 2,738 shares and was granted 6,839 shares, increasing direct ownership by 13% to 34,932 units (SEC Form 4)

EVP & CFO Bender Mark Steven covered exercise/tax liability with 3,530 shares and was granted 8,819 shares, increasing direct ownership by 10% to 56,968 units (SEC Form 4)

Director Chao John Tsung-Chen converted options into 513 shares, increasing direct ownership by 8% to 6,709 units (SEC Form 4)

EVP, PEM, GC and CAO Ederington L. Benjamin converted options into 13,174 shares and covered exercise/tax liability with 5,268 shares, increasing direct ownership by 12% to 71,878 units (SEC Form 4)

EVP, HIP, IT & Digital Buesinger Robert F. converted options into 12,923 shares and covered exercise/tax liability with 4,015 shares, increasing direct ownership by 41% to 30,831 units (SEC Form 4)

EVP & CFO Bender Mark Steven converted options into 13,987 shares and covered exercise/tax liability with 4,446 shares, increasing direct ownership by 23% to 51,679 units (SEC Form 4)

SVP, Ops - PEM & Corp Logistic Janssens Thomas J. converted options into 1,313 shares and covered exercise/tax liability with 336 shares, increasing direct ownership by 7% to 15,289 units (SEC Form 4)