X0306 4 2014-01-21 0 0000854775 DIGI INTERNATIONAL INC DGII 0001248950 Jackson Guy C. 11001 BREN ROAD EAST MINNETONKA MN 55343 1 0 0 0 Common Stock 2014-01-21 4 M 0 17000 10.55 A 29438 D Common Stock 2014-01-21 4 S 0 17000 12.3576 D 12438 D Stock Option (right to buy) 10.55 2014-01-21 4 M 0 17000 0 D 2014-01-22 Common Stock 17000 0 D Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 27, 2013. The transactions reported on this Form 4 conclude the transactions contemplated by the Rule 10b5-1 trading plan. Reflects the weighted average price of 17,000 shares of common stock of Digi International Inc. sold by the reporting person in multiple transactions on January 21, 2014 with sale prices ranging from $12.29 to $12.405 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. Fully vested. /s/ Joshua L. Colburn, Attorney-in-Fact for Guy C. Jackson 2014-01-23