Christopher & Banks Corp.

Jonathan Duskin beneficial owner

Shares purchased: 70,003Price:

Date: July 2-6$0.92–$0.95

Shares purchased: 19,920Price: $1

Date: July 10Indirectly holds:

4,720,996

CALYXT INC.

Daniel F. Voytas, officer

Exercised options: 4,083Price: $3.71

Shares sold: 4,083Price: $17.84

Date: July 9Directly holds: 92,982

DONALDSON CO. Inc.

Michael J. Hoffman, director

Exercised options: 14,400Price: $17.04

Shares sold: 14,400 Price: $44.70

Date: July 5Directly holds: 29,316

GENERAL MILLS Inc.

Jonathon J. Nudi, officer

Shares sold: 5,066Price: $44.44

Date: July 9Directly holds: 50,653

HORMEL FOODS CORP.

Robert C. Nakasone, director

Exercised options: 16,000Price: $9.78

Shares sold: 16,000Price:

Date: July 6-11$37.20–$37.50

Directly holds: 122,238

SLEEP NUMBER CORP.

Andrea Lee Bloomquist, officer

Exercised options: 14,875Price:

Date: July 10$0.94-$9.75

Directly holds: na

SURMODICS INC.

Timothy J. Arens, CFO

Exercised option: 15,926 Price:

Date: July 5$20.25–$23.95

Directly holds: na