UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

SCHEDULE 14A

(Rule 14a-101)

INFORMATION REQUIRED IN PROXY STATEMENT

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

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 Pursuant to § 240.14a-12
SOTHEBY’S
(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):
x	No fee required.
¨	Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.
	(1)	Title of each class of securities to which transactions applies:
	(2)	Aggregate number of securities to which transactions applies:
	(3)	Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11 (set forth the amount on which the filing fee is calculated and state how it was determined):
	(4)	Proposed maximum aggregate value of transaction:
	(5)	Total fee paid:
¨	Fee paid previously with preliminary materials.
¨	Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.
	(1)	Amount previously paid:
	(2)	Form, schedule or registration statement no.:
	(3)	Filing party:
	(4)	Date filed:

SOTHEBY’S

Important Notice Regarding the Availability of Proxy Materials for the Stockholder Meeting

to Be Held on Tuesday, May 8, 2012

The Proxy Statement, Annual Report and other proxy materials are available at:

http://www.proxyvoting.com/bid

This communication presents only an overview of the more complete proxy materials that are available to you on the Internet.

We encourage you to access and review all of the important information contained in the proxy materials before voting.

SOTHEBY’S	If you want to receive a paper or e-mail copy of these documents, you must request one. There is no charge to you for requesting a copy. Please make your request for a copy as instructed below on or before April 24, 2012 to facilitate timely delivery.
	TO REQUEST PAPER COPIES OF PROXY MATERIALS: (please reference your 11-digit control number when requesting materials) By opting out to receive printed materials, your preference for future proxy mailings will be kept on our file.
	Telephone:	1-888-313-0164
		(outside of the U.S and Canada call 201-680-6688)
	Email:	shrrelations@bnymellon.com (you must reference your 11-digit control number in your email)
	Internet:	http://www.proxyvoting.com/bid

TO VOTE YOUR SHARES SEE INSTRUCTIONS ON REVERSE SIDE

This is not a proxy card. You cannot use this notice to vote your shares.

Dear Sotheby’s Stockholder:

The Annual Meeting of Stockholders of SOTHEBY’S (the “Company”) will be held on Tuesday, May 8, 2012, at the Company’s offices located at 1334 York Avenue, New York, New York, at 11:00 a.m., local time, for the following purposes:

The Board of Directors recommends a vote “FOR” Proposals 1, 2, 3 and 4.

(1) Election of the following twelve (12) individuals as directors: 01 John M. Angelo; 02 Michael Blakenham; 03 Steven B. Dodge 04 The Duke of Devonshire; 05 Daniel Meyer; 06 Allen Questrom; 07 William F. Ruprecht; 08 Marsha E. Simms; 09 Michael I. Sovern; 10 Robert S. Taubman; 11 Diana L. Taylor; and 12 Dennis M. Weibling.

(2) Ratification of appointment of Deloitte & Touche LLP as the Company’s independent registered public accounting firm for the year ending December 31, 2012.

(3) Reapproval of the Sotheby’s Executive Bonus Plan.

(4) Advisory vote on executive compensation.

The Board of Directors recommends a vote “AGAINST” Proposals 5 and 6.

(5) Shareholder proposal on detailed succession planning policy.

(6) Shareholder proposal on prohibiting accelerated equity award vesting on change of control.

(7) Transaction of such other business as may properly come before the meeting or any adjournment or postponement thereof.

The Board of Directors has fixed the close of business on March 14, 2012 as the record date (the “Record Date”) for determining the stockholders that are entitled to notice of, and to vote at, the annual meeting or any adjournment or postponement thereof.

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Stockholders of record as of the Record Date are encouraged and cordially invited to attend the Annual Meeting.

Meeting Location:

Sotheby’s

1334 York Avenue

New York, New York 10021

Directions to Meeting:

These may be obtained on the internet at http://investor.shareholder.com/bid/proxy.cfm

The following Proxy Materials are available for you to review online:

• The Company’s 2012 Proxy Statement;

• The Company Annual Report for the year ended December 31, 2011 (which is not deemed to be part of the official proxy soliciting materials); and

• Any amendments to the foregoing materials that are required to be furnished to stockholders.

To request a paper copy of the Proxy Materials:

(you must reference your 11-digit control number located on the reverse side of this form)

Telephone:	1-888-313-0164 (outside of the U.S and Canada call 201-680-6688)
Email:	shrrelations@bnymellon.com (you must reference your 11-digit control number in your email)
Internet:	http://www.proxyvoting.com/bid

The Proxy Materials for Sotheby’s are available to review at:

http://www.proxyvoting.com/bid

Have this notice available when you request a PAPER copy of the Proxy Materials,

when you want to view your proxy materials online,

OR WHEN YOU WANT TO VOTE YOUR PROXY ELECTRONICALLY.

HOW TO VOTE BY INTERNET

We encourage you to review the proxy materials online before voting.

Use the Internet to vote your shares. On the landing page of the above website in the box labeled “To Vote

Your Shares by Internet” click on “Vote Now” to access the electronic proxy card and

vote your shares. Have this letter in hand when you access the website.

You will need to reference the 11-digit control number located on the reverse side.

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