Amendment to Purchasing Agreement Agreement No. 4037 Vendor: Cardiovascular Systems Inc Agreement Date: August 1, 2014 Amendment Date: August 1, 2017

Exhibit 10.3

Amendment to Purchasing Agreement

Agreement No. 4037

Vendor: Cardiovascular Systems Inc

Agreement Date: August 1, 2014

Amendment Date: August 1, 2017

Effective as of the Amendment Date above, HealthTrust Purchasing Group, L.P., a Delaware

Limited Partnership having its principal place of business at 000 Xxxxxxxx Xxxx, Xxxxx 000, Xxxxxxxxx, Xxxxxxxxx 00000 (hereinafter referred to as "HPG"), and Cardiovascular Systems Inc (hereinafter referred to as “Vendor”), having its principal place of business at 000 Xxxxxx Xx, Xx. Xxxx, XX 00000-0000 hereby agree to amend their Purchasing Agreement dated August 1, 2014 for Atherectomy - Mechanical (the “Agreement”), as follows:

1.Definitions.     The capitalized terms in this Amendment shall have the meaning

designated in the Agreement unless otherwise expressly provided herein.

2.Term. The term of the Agreement shall be extended, with the Expiration Date listed in Exhibit B being amended to be November 30, 2017.

3.Except as expressly amended by this Amendment, the terms and conditions of the Agreement shall remain in full force and effect.

Signatures Follow on Next Page

IN WITNESS WHEREOF, the parties hereby indicate their agreement to the terms of this Amendment by the signatures of their authorized representatives.

HealthTrust Purchasing Group, L.P., a Delaware limited partnership, by HPG Enterprises, LLC, a Delaware limited liability company, its general partner	VENDOR: Cardiovascular Systems Inc
HealthTrust Signee: /s/ Xxxx Xxxxxxx	Vendor Signee: /s/ Xxx Xxxxxxxx
HealthTrust Signee Name: Xxxx Xxxxxxx HealthTrust Signee Title: AVP HealthTrust Signature Date: 9/29/2016	Vendor Signee Name: Xxx Xxxxxxxx Vendor Signee Title: Director - Strategic Accounts Vendor Signature Date: 9/27/2016