CDW Corp — Director's Dealing 2014

May 30, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CDW Corp (CDW)
CIK: 0001402057
Period of Report: 2014-05-28

Reporting Person: ZIEGLER ANN ELIZABETH (See Remarks)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-05-28	Common Stock, par value $0.01	S	27073	$28.35	Disposed	207601	Indirect
2014-05-28	Common Stock, par value $0.01	S	27074	$28.35	Disposed	157273	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, par value $0.01	39121	Indirect

Footnotes

F1: Represents shares of CDW Corporation common stock sold in an underwritten secondary offering.

F2: This sale price reflects the public offering price. The price received by the reporting person will be reduced by the underwriter's commission of $0.15 per share.

F3: Represents shares held by the Ann E. Ziegler 2012 Gift Trust, which are deemed to be beneficially owned by Ms. Ziegler.

F4: Represents shares held by the Ann E. Ziegler IRA Northern Trust Bank, which are deemed to be beneficially owned by Ms. Ziegler.