AIN insider transactions

Amendment: SEC Form 4 filed by Director Alvord Christina M

SEC Form 4 filed by Director Alvord Christina M

Director Scannell John was granted 2,390 shares, increasing direct ownership by 12% to 21,917 units (SEC Form 4)

SEC Form 4 filed by Director Lind Bonnie Cruickshank

Director Lind Bonnie Cruickshank was granted 2,390 shares, increasing direct ownership by 74% to 5,609 units (SEC Form 4)

Director Murphy Mark J. was granted 1,195 shares, increasing direct ownership by 10% to 13,745 units (SEC Form 4)

Director Krueger Kenneth W was granted 2,390 shares, increasing direct ownership by 17% to 16,621 units (SEC Form 4)

Director Toney Russell was granted 2,390 shares, increasing direct ownership by 41% to 8,284 units (SEC Form 4)

Director Mcquade John Michael was granted 3,792 shares, increasing direct ownership by 28% to 17,258 units (SEC Form 4)

SEC Form 4 filed by Director Plourde Katharine

President MC Stein Merle A converted options into 3,741 shares, returned $105,730 worth of shares to the company (1,834 units at $57.65) and covered exercise/tax liability with 656 shares, increasing direct ownership by 246% to 1,759 units (SEC Form 4)

Senior Vice President & CTO Hansen Robert Alan returned $161,420 worth of shares to the company (2,800 units at $57.65), covered exercise/tax liability with 128 shares and converted options into 3,177 shares (SEC Form 4)

VP-General Counsel & Secretary Gaug Joseph M converted options into 2,689 shares, was granted 2,155 shares and covered exercise/tax liability with 1,849 shares, increasing direct ownership by 31% to 12,640 units (SEC Form 4)

CHRO Purdum Suzanne K converted options into 2,495 shares and covered exercise/tax liability with 716 shares, increasing direct ownership by 157% to 2,910 units (SEC Form 4)

President AEC Stone Christopher Eric converted options into 2,440 shares and covered exercise/tax liability with 793 shares, increasing direct ownership by 20% to 9,703 units (SEC Form 4)

CAO Valashinas Sean C converted options into 282 shares and covered exercise/tax liability with 84 shares (SEC Form 4)

Executive Vice President - CFO Station Willard C converted options into 2,124 shares and covered exercise/tax liability with 600 shares (SEC Form 4)

President and CEO Kleveland Gunnar converted options into 18,113 shares, was granted 7,545 shares and covered exercise/tax liability with 7,534 shares, increasing direct ownership by 91% to 38,019 units (SEC Form 4)

President and CEO Kleveland Gunnar bought $96,701 worth of shares (2,300 units at $42.04), increasing direct ownership by 13% to 19,895 units (SEC Form 4)

SEC Form 4 filed by Executive Vice President - CFO Station Willard C

SEC Form 3 filed by new insider Station Willard C

President AEC Stone Christopher Eric converted options into 6,905 shares and covered exercise/tax liability with 1,975 shares (SEC Form 4)

President and CEO Kleveland Gunnar bought $104,557 worth of shares (1,750 units at $59.75), increasing direct ownership by 11% to 17,595 units (SEC Form 4)

SEC Form 4 filed by CAO Valashinas Sean C

SEC Form 3 filed by new insider Valashinas Sean C

SEC Form 4 filed by Director Scannell John

SEC Form 4 filed by VP Interim CFO Chetnani Jairaj T

SEC Form 3 filed by new insider Chetnani Jairaj T

Director Toney Russell was granted 1,953 shares, increasing direct ownership by 50% to 5,897 units (SEC Form 4)

Director Murphy Mark J. was granted 1,953 shares, increasing direct ownership by 18% to 12,550 units (SEC Form 4)

SEC Form 4 filed by Director Plourde Katharine

SEC Form 4 filed by Director Alvord Christina M

Director Krueger Kenneth W was granted 1,953 shares, increasing direct ownership by 16% to 14,231 units (SEC Form 4)

Director Mcquade John Michael was granted 3,183 shares, increasing direct ownership by 31% to 13,466 units (SEC Form 4)

Director Lind Bonnie Cruickshank was granted 1,953 shares, increasing direct ownership by 154% to 3,219 units (SEC Form 4)

Amendment: CFO & TREASURER Starr Robert D. converted options into 4,323 shares and covered exercise/tax liability with 1,761 shares, increasing direct ownership by 71% to 6,172 units (SEC Form 4)

Amendment: CHRO Purdum Suzanne K converted options into 1,609 shares and covered exercise/tax liability with 478 shares (SEC Form 4)

Amendment: President AEC Stone Christopher Eric converted options into 1,151 shares and covered exercise/tax liability with 391 shares (SEC Form 4)

Amendment: President and CEO Kleveland Gunnar converted options into 12,663 shares and covered exercise/tax liability with 5,102 shares, increasing direct ownership by 91% to 15,845 units (SEC Form 4)

Amendment: VP-General Counsel & Secretary Gaug Joseph M covered exercise/tax liability with 1,764 shares, returned $37,424 worth of shares to the company (463 units at $80.83), was granted 2,335 shares and converted options into 2,726 shares, decreasing direct ownership by 93% to 463 units (SEC Form 4)

Amendment: Senior Vice President & CTO Hansen Robert Alan converted options into 3,550 shares and returned $286,946 worth of shares to the company (3,550 units at $80.83) (SEC Form 4)

CFO & TREASURER Starr Robert D. converted options into 4,323 shares and covered exercise/tax liability with 1,760 shares, increasing direct ownership by 71% to 6,173 units (SEC Form 4)

CHRO Purdum Suzanne K covered exercise/tax liability with 477 shares and converted options into 1,609 shares (SEC Form 4)

President AEC Stone Christopher Eric converted options into 1,151 shares and covered exercise/tax liability with 390 shares (SEC Form 4)

President and CEO Kleveland Gunnar covered exercise/tax liability with 5,101 shares and converted options into 12,663 shares, increasing direct ownership by 91% to 15,846 units (SEC Form 4)

VP-General Counsel & Secretary Gaug Joseph M covered exercise/tax liability with 1,761 shares, returned $37,424 worth of shares to the company (463 units at $80.83), was granted 2,335 shares and converted options into 2,726 shares, decreasing direct ownership by 93% to 463 units (SEC Form 4)

President MC Stein Merle A returned $166,833 worth of shares to the company (2,064 units at $80.83), covered exercise/tax liability with 270 shares and converted options into 2,843 shares (SEC Form 4)

Senior Vice President & CTO Hansen Robert Alan converted options into 3,550 shares and returned $286,946 worth of shares to the company (3,550 units at $80.83) (SEC Form 4)

VP - Controller & CAO Tedone John J returned $80,022 worth of shares to the company (990 units at $80.83) and converted options into 990 shares (SEC Form 4)

Amendment: SEC Form 4 filed by VP-General Counsel & Secretary Gaug Joseph M

SEC Form 4 filed by VP - Controller & CAO Tedone John J

SEC Form 4 filed by President AEC Stone Christopher Eric

SEC Form 4 filed by President MC Stein Merle A

SEC Form 4 filed by CHRO Purdum Suzanne K

SEC Form 4 filed by VP-General Counsel & Secretary Gaug Joseph M

SEC Form 4 filed by CFO & TREASURER Starr Robert D.

SEC Form 4 filed by President and CEO Kleveland Gunnar

SEC Form 4 filed by Senior Vice President & CTO Hansen Robert Alan

VP-General Counsel & Secretary Gaug Joseph M bought $71,240 worth of shares (1,000 units at $71.24), increasing direct ownership by 17% to 6,811 units (SEC Form 4)

CFO & TREASURER Starr Robert D. bought $71,380 worth of shares (1,000 units at $71.38), increasing direct ownership by 38% to 3,610 units (SEC Form 4)