UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

(Amendment No.    )

Filed by the Registrant  x                            Filed by a Party other than the Registrant  ¨

Check the appropriate box:

¨	Preliminary Proxy Statement
¨	Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
¨	Definitive Proxy Statement
x	Definitive Additional Materials
¨	Soliciting Material under Rule 14a-12
STERICYCLE, INC.
(Name of registrant as specified in its charter)
(Name of person(s) filing proxy statement, if other than the registrant)
Payment of Filing Fee (Check the appropriate box):
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*** Exercise Your Right to Vote ***
Important Notice Regarding the Availability of Proxy Materials for the Stockholder Meeting to Be Held on May 25, 2016.
STERICYCLE, INC.
Meeting Information
Meeting Type: Annual Meeting
For holders as of: March 28, 2016
Date: May 25, 2016 Time: 11:00 a.m. CDT Location: The DoubleTree Hotel Chicago O’Hare Airport—Rosemont 5460 North River Road Rosemont, Illinois 60018
Admission is by admissions card. See the back cover of the proxy statement.
You are receiving this communication because you hold shares in the company named above.
This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at www.proxyvote.com or easily request a paper copy (see reverse side).
We encourage you to access and review all of the important information contained in the proxy materials before voting. proxy See the materials reverse and side voting of this instructions. notice to obtain
STERICYCLE, INC.
28161 NORTH KEITH DRIVE LAKE FOREST, IL 60045
E09199-P77585

Before You Vote
How to Access the Proxy Materials
Proxy Materials Available to VIEW or RECEIVE:
1. Annual Report 2. Notice and Proxy Statement
How to View Online:
Have the information that is printed in the box marked by the arrow XXXX XXXX XXXX XXXX (located on the
following page) and visit: www.proxyvote .com.
How to Request and Receive a PAPER or E-MAIL Copy:
If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge for
requesting a copy. Please choose one of the following methods to make your request:
1) BY INTERNET: www.proxyvote.com
2) BY TELEPHONE: 1-800-579-1639
3) BY E-MAIL*: sendmaterial@proxyvote.com
* If requesting materials by e-mail, please send a blank e-mail with the information that is printed in the box marked
by the arrow XXXX XXXX XXXX XXXX (located on the following page) in the subject line.
Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment
advisor. Please make the request as instructed above on or before May 11, 2016 to facilitate timely delivery.
How To Vote
Please Choose One of the Following Voting Methods
Vote In Person: Many stockholder meetings have attendance requirements including, but not limited to, the
possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any
special requirements for meeting attendance. At the meeting, you will need to request a ballot to vote these shares.
Vote By Internet: To vote now by Internet, go to www.proxyvote.com. Have the information that is printed in the box
marked by the arrow XXXX XXXX XXXX XXXX (located on the following page) available and follow the instructions.
Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card.
E09200-P77585

Voting Items
The Board of Directors recommends you vote FOR all nominees for director, FOR Items 2, 3 and 4, and AGAINST
Items 5 and 6. 2. Approval of the Stericycle, Inc. Canadian Employee Stock Purchase Plan
1. Election of Directors 3. RatificationoftheappointmentofErnst&YoungLLP as the Company’s independent registered public accounting firm for 2016 1a. Mark C. Miller 4. Advisory vote to approve executive compensation
1b. Jack W. Schuler 5. Stockholder proposal on independent chairman
1c. Charles A. Alutto 6. Stockholder proposal entitled “Shareholder Proxy Access”
1d. Lynn D. Bleil NOTE: This proxy will be voted in the best judgment of the proxies in respect of any other business that 1e. Thomas D. Brown properly comes before the Annual Meeting.
1f. Thomas F. Chen 1g. Rod F. Dammeyer 1h. William K. Hall 1i. John Patience
1j. Mike S. Zafirovski
E09201-P77585

E09202-P77585