ARCH - SEC Form 4 insider transactions

Director Koeppel Holly K returned 2,050 shares to the company, closing all direct ownership in the company (SEC Form 4)

Director Kriegshauser Patrick A returned 2,640 shares to the company, closing all direct ownership in the company (SEC Form 4)

Director Navarre Richard A returned 874 shares to the company, closing all direct ownership in the company (SEC Form 4)

Director Butcher Pamela R returned 200 shares to the company, closing all direct ownership in the company (SEC Form 4)

President Drexler John T. returned 110,911 shares to the company, closing all direct ownership in the company (SEC Form 4)

Sr. VP and CFO Giljum Matthew C. returned 40,005 shares to the company, closing all direct ownership in the company (SEC Form 4)

CEO Lang Paul A returned 182,605 shares to the company, closing all direct ownership in the company (SEC Form 4)

Sr. VP-Chf Commercial Officer Demzik Paul T. returned 5,715 shares to the company, closing all direct ownership in the company (SEC Form 4)

Sr. VP, Gen Counsel and Secary Klein Rosemary L returned 27,457 shares to the company, closing all direct ownership in the company (SEC Form 4)

Sr. VP - Strategy & Public Pol Slone Deck returned 29,120 shares to the company, closing all direct ownership in the company (SEC Form 4)

Sr. VP & Chief Admin Officer Ziegler John A. returned 18,618 shares to the company, closing all direct ownership in the company (SEC Form 4)

VP & Chief Acctg Officer Lorson John W returned 3,782 shares to the company, closing all direct ownership in the company (SEC Form 4)

SEC Form 4 filed by Director Zhang Peifang

SEC Form 4 filed by Sr. VP - COO Schuller George John Jr

SEC Form 4 filed by Director Koeppel Holly K

SEC Form 4 filed by Director Kriegshauser Patrick A

SEC Form 4 filed by Director Navarre Richard A

SEC Form 4 filed by Director Zhang Peifang

SEC Form 4 filed by Director Butcher Pamela R

President Drexler John T. converted options into 2,946 shares and covered exercise/tax liability with 1,301 shares, increasing direct ownership by 2% to 110,911 units (SEC Form 4)

Sr. VP, Gen Counsel and Secary Klein Rosemary L converted options into 757 shares and covered exercise/tax liability with 335 shares, increasing direct ownership by 2% to 27,457 units (SEC Form 4)

Sr. VP - Strategy & Public Pol Slone Deck converted options into 1,010 shares, covered exercise/tax liability with 446 shares and sold $36,622 worth of shares (253 units at $144.75), increasing direct ownership by 1% to 29,120 units (SEC Form 4)

Sr. VP and CFO Giljum Matthew C. covered exercise/tax liability with 744 shares, sold $24,463 worth of shares (169 units at $144.75) and converted options into 1,683 shares, increasing direct ownership by 2% to 40,005 units (SEC Form 4)

SEC Form 4 filed by Director Koeppel Holly K

SEC Form 4 filed by Director Kriegshauser Patrick A

SEC Form 4 filed by Director Navarre Richard A

SEC Form 4 filed by Director Zhang Peifang

SEC Form 4 filed by Director Butcher Pamela R

SEC Form 4 filed by Director Kriegshauser Patrick A

SEC Form 4 filed by Director Navarre Richard A

SEC Form 4 filed by Director Zhang Peifang

SEC Form 4 filed by Director Butcher Pamela R

SEC Form 4 filed by Director Koeppel Holly K

SEC Form 4 filed by Schuller George John Jr

SEC Form 4 filed by Koeppel Holly K

SEC Form 4 filed by Kriegshauser Patrick A

SEC Form 4 filed by Navarre Richard A

SEC Form 4 filed by Zhang Peifang

SEC Form 4 filed by Butcher Pamela R

Chapman James N sold $369,080 worth of shares (2,005 units at $184.08), decreasing direct ownership by 62% to 1,219 units (SEC Form 4)

Ziegler John A. sold $2,762,209 worth of shares (15,000 units at $184.15), decreasing direct ownership by 45% to 18,618 units (SEC Form 4)

Eaves John W sold $15,845,430 worth of shares (85,555 units at $185.21), decreasing direct ownership by 41% to 124,116 units (SEC Form 4)

Demzik Paul T. sold $616,350 worth of shares (3,522 units at $175.00), decreasing direct ownership by 38% to 5,715 units (SEC Form 4)

Lorson John W sold $78,887 worth of shares (465 units at $169.65), decreasing direct ownership by 11% to 3,782 units (SEC Form 4)

Demzik Paul T. sold $1,040,159 worth of shares (6,111 units at $170.21), decreasing direct ownership by 40% to 9,237 units (SEC Form 4)

Ziegler John A. covered exercise/tax liability with 9,312 shares, sold $558,925 worth of shares (3,299 units at $169.42), converted options into 3,450 shares and was granted 18,542 shares, increasing direct ownership by 39% to 33,618 units (SEC Form 4)

Drexler John T. converted options into 5,934 shares, was granted 31,888 shares and covered exercise/tax liability with 16,649 shares, increasing direct ownership by 24% to 109,266 units (SEC Form 4)

Eaves John W converted options into 3,584 shares, was granted 19,258 shares and covered exercise/tax liability with 8,625 shares, increasing direct ownership by 7% to 209,671 units (SEC Form 4)

Lang Paul A converted options into 10,150 shares, was granted 54,551 shares and covered exercise/tax liability with 28,567 shares, increasing direct ownership by 25% to 182,605 units (SEC Form 4)

Giljum Matthew C. was granted 20,064 shares, covered exercise/tax liability with 10,169 shares, sold $403,352 worth of shares (2,380 units at $169.48) and converted options into 3,734 shares, increasing direct ownership by 40% to 39,235 units (SEC Form 4)

Slone Deck converted options into 3,150 shares, was granted 16,929 shares, covered exercise/tax liability with 8,450 shares and sold $850,537 worth of shares (5,020 units at $169.43), increasing direct ownership by 30% to 28,809 units (SEC Form 4)

Klein Rosemary L converted options into 5,117 shares, was granted 27,499 shares and covered exercise/tax liability with 14,013 shares, increasing direct ownership by 221% to 27,035 units (SEC Form 4)

Lorson John W converted options into 400 shares, was granted 2,149 shares, covered exercise/tax liability with 757 shares and sold $64,065 worth of shares (382 units at $167.71), increasing direct ownership by 50% to 4,247 units (SEC Form 4)

Demzik Paul T. converted options into 3,317 shares, was granted 17,825 shares and covered exercise/tax liability with 8,918 shares, increasing direct ownership by 391% to 15,348 units (SEC Form 4)

SEC Form 4 filed by Drexler John T.

SEC Form 4 filed by Giljum Matthew C.

SEC Form 4 filed by Lang Paul A

SEC Form 4 filed by Eaves John W

SEC Form 4 filed by Lorson John W

SEC Form 4 filed by Demzik Paul T.