SPS COMMERCE INC — Director's Dealing 2013

May 22, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SPS COMMERCE INC (SPSC)
CIK: 0001092699
Period of Report: 2013-05-20

Reporting Person: Spencer George H. III (Director, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-05-20	Common Stock	M	7020	$12.00	Acquired	9023	Direct
2013-05-20	Common Stock	S	7020	$50.8034	Disposed	2003	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-05-20	Stock Option (Right to Buy)	$12.00	M	7020	Disposed	2020-04-26	Common Stock (7020)	Direct

Footnotes

F1: Reflects the weighted average price of 7,020 shares of Common Stock of the Issuer sold by the reporting person in multiple transactions on March 20, 2013 with sales prices ranging from $50.50 to $51.22 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 purchased or sold at each separate price.

F2: Fully vested.