HWKN insider transactions

New insider Louismet Dan claimed ownership of 6 shares (SEC Form 3)

VP HEALTH AND NUTRITION Rozeboom Shirley A. covered exercise/tax liability with 3,608 shares and was granted 1,906 shares, decreasing direct ownership by 4% to 34,088 units (SEC Form 4)

VP - WATER TREATMENT GROUP Lange Douglas A. was granted 1,994 shares, increasing direct ownership by 8% to 27,147 units (SEC Form 4)

EXECUTIVE VP AND CFO Oldenkamp Jeffrey P. was granted 8,435 shares, increasing direct ownership by 9% to 102,818 units (SEC Form 4)

VICE PRESIDENT OF OPERATIONS Grahek Drew M. was granted 2,697 shares, increasing direct ownership by 8% to 37,136 units (SEC Form 4)

VP-INDUSTRIAL SOLUTIONS GROUP Mangine David J. was granted 1,906 shares, increasing direct ownership by 7% to 27,763 units (SEC Form 4)

VP of Food and Health Sciences Jones Gregory Alan was granted 1,970 shares, increasing direct ownership by 24% to 10,144 units (SEC Form 4)

CEO AND PRESIDENT Hawkins Patrick H. was granted 16,934 shares, increasing direct ownership by 6% to 321,726 units (SEC Form 4)

SEC Form 4 filed by Lange Douglas A.

SEC Form 4 filed by Mangine David J.

SEC Form 4 filed by Oldenkamp Jeffrey P.

SEC Form 4 filed by Grahek Drew M.

SEC Form 4 filed by Hawkins Patrick H.

CEO AND PRESIDENT Hawkins Patrick H. gifted 1,040 shares and received a gift of 260 shares, decreasing direct ownership by 0.25% to 315,737 units (SEC Form 4)

Director Faulconbridge James A bought $388,860 worth of shares (3,000 units at $129.62), increasing direct ownership by 6% to 52,407 units (SEC Form 4)

VICE PRESIDENT OF OPERATIONS Grahek Drew M. gifted 1,460 shares, decreasing direct ownership by 4% to 38,184 units (SEC Form 4)

VP, GENERAL COUNSEL & SEC Erstad Richard G gifted 50 shares, decreasing direct ownership by 0.08% to 64,782 units (SEC Form 4)

VICE PRESIDENT OF OPERATIONS Grahek Drew M. bought $200,506 worth of shares (1,587 units at $126.34), increasing direct ownership by 4% to 39,640 units (SEC Form 4)

CEO AND PRESIDENT Hawkins Patrick H. gifted 220 shares, decreasing direct ownership by 0.07% to 316,444 units (SEC Form 4)

Director Schumacher Mary J. was granted 628 shares, increasing direct ownership by 2% to 26,177 units (SEC Form 4)

Director Spethmann Jeffrey E was granted 628 shares, increasing direct ownership by 12% to 5,911 units (SEC Form 4)

Director Tang Yi was granted 628 shares, increasing direct ownership by 9% to 7,891 units (SEC Form 4)

Director Wright Jeffrey L was granted 628 shares, increasing direct ownership by 2% to 42,195 units (SEC Form 4)

Director Thompson James T was granted 628 shares, increasing direct ownership by 2% to 38,195 units (SEC Form 4)

Director Faulconbridge James A was granted 628 shares, increasing direct ownership by 1% to 49,407 units (SEC Form 4)

Director Stauber Daniel J was granted 628 shares, increasing direct ownership by 2% to 34,563 units (SEC Form 4)

VP of Food and Health Sciences Jones Gregory Alan was granted 3,411 shares, increasing direct ownership by 75% to 7,980 units (SEC Form 4)

VP-INDUSTRIAL SOLUTIONS GROUP Mangine David J. was granted 3,553 shares, increasing direct ownership by 14% to 29,104 units (SEC Form 4)

VP - WATER TREATMENT GROUP Lange Douglas A. was granted 3,553 shares, increasing direct ownership by 14% to 28,792 units (SEC Form 4)

VP HEALTH AND NUTRITION Rozeboom Shirley A. was granted 3,553 shares, increasing direct ownership by 11% to 35,567 units (SEC Form 4)

EXECUTIVE VP AND CFO Oldenkamp Jeffrey P. was granted 15,757 shares, increasing direct ownership by 19% to 99,832 units (SEC Form 4)

CEO AND PRESIDENT Hawkins Patrick H. was granted 22,114 shares, increasing direct ownership by 8% to 316,530 units (SEC Form 4)

VICE PRESIDENT OF OPERATIONS Grahek Drew M. was granted 5,035 shares, increasing direct ownership by 15% to 37,919 units (SEC Form 4)

VP, GENERAL COUNSEL & SEC Erstad Richard G was granted 4,442 shares, increasing direct ownership by 7% to 64,748 units (SEC Form 4)

New insider Jones Gregory Alan claimed ownership of 4,569 shares (SEC Form 3)

VP, GENERAL COUNSEL & SEC Erstad Richard G covered exercise/tax liability with 3,580 shares, decreasing direct ownership by 6% to 60,306 units (SEC Form 4)

EXECUTIVE VP AND CFO Oldenkamp Jeffrey P. covered exercise/tax liability with 4,209 shares, decreasing direct ownership by 5% to 84,075 units (SEC Form 4)

CEO AND PRESIDENT Hawkins Patrick H. covered exercise/tax liability with 9,549 shares, decreasing direct ownership by 3% to 294,416 units (SEC Form 4)

VICE PRESIDENT OF OPERATIONS Grahek Drew M. covered exercise/tax liability with 2,951 shares, decreasing direct ownership by 8% to 32,884 units (SEC Form 4)

VP HEALTH AND NUTRITION Rozeboom Shirley A. covered exercise/tax liability with 3,152 shares, decreasing direct ownership by 9% to 32,014 units (SEC Form 4)

VP - INDUSTRIAL GROUP Mangine David J. covered exercise/tax liability with 2,574 shares, decreasing direct ownership by 9% to 25,551 units (SEC Form 4)

VP - WATER TREATMENT GROUP Lange Douglas A. covered exercise/tax liability with 2,575 shares, decreasing direct ownership by 9% to 25,239 units (SEC Form 4)

CEO AND PRESIDENT Hawkins Patrick H. gifted 960 shares, decreasing direct ownership by 0.31% to 303,960 units (SEC Form 4)

CEO AND PRESIDENT Hawkins Patrick H. received a gift of 340 shares, increasing direct ownership by 0.11% to 304,809 units (SEC Form 4)

CEO AND PRESIDENT Hawkins Patrick H. received a gift of 300 shares, increasing direct ownership by 0.10% to 304,464 units (SEC Form 4)

CEO AND PRESIDENT Hawkins Patrick H. gifted 300 shares, decreasing direct ownership by 0.10% to 304,160 units (SEC Form 4)

Director Wright Jeffrey L was granted 962 shares, increasing direct ownership by 2% to 41,567 units (SEC Form 4)

Director Tang Yi was granted 962 shares, increasing direct ownership by 15% to 7,263 units (SEC Form 4)

Director Spethmann Jeffrey E was granted 962 shares, increasing direct ownership by 22% to 5,283 units (SEC Form 4)

Director Faulconbridge James A was granted 962 shares, increasing direct ownership by 2% to 48,779 units (SEC Form 4)

Director Stauber Daniel J was granted 962 shares, increasing direct ownership by 3% to 33,654 units (SEC Form 4)

Director Thompson James T was granted 962 shares, increasing direct ownership by 3% to 37,567 units (SEC Form 4)

Director Schumacher Mary J. was granted 962 shares, increasing direct ownership by 4% to 25,549 units (SEC Form 4)

Director Faulconbridge James A bought $161,899 worth of shares (1,800 units at $89.94), increasing direct ownership by 4% to 47,817 units (SEC Form 4)

Director Faulconbridge James A bought $351,036 worth of shares (4,000 units at $87.76), increasing direct ownership by 10% to 46,017 units (SEC Form 4)

Director Faulconbridge James A bought $288,907 worth of shares (3,300 units at $87.55), increasing direct ownership by 9% to 42,017 units (SEC Form 4)

Faulconbridge James A bought $142,667 worth of shares (1,650 units at $86.47) and bought $21,728 worth of Common Stock (250 units at $86.91), increasing direct ownership by 5% to 38,717 units (SEC Form 4)

Mangine David J. was granted 7,042 shares, increasing direct ownership by 34% to 27,734 units (SEC Form 4)

Lange Douglas A. was granted 7,042 shares, increasing direct ownership by 34% to 27,460 units (SEC Form 4)

Grahek Drew M. was granted 7,689 shares, increasing direct ownership by 28% to 35,488 units (SEC Form 4)