Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
ADVANCE LONG-TERM MANAGEMENT TRUST
  2. Issuer Name and Ticker or Trading Symbol
Discovery Communications, Inc. [DISCK]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
FOUR TIMES SQUARE
3. Date of Earliest Transaction (Month/Day/Year)
04/05/2013
(Street)

NEW YORK, NY 10036
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Series C common stock, par value $0.01 per share 04/05/2013   C   550,000 A $ 0 (1) 550,000 I See Footnote (2)

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Series C preferred stock, par value $0.01 per share (1) 04/05/2013   D     4,000,000 (3)   (1)   (1) Series C common stock 4,000,000 $ 64.1025 44,924,821 I See Footnote (2)
Series C preferred stock, par value $0.01 per share (1) 04/05/2013   C     550,000   (1)   (1) Series C common stock 550,000 $ 0 (1) 44,374,821 I See Footnote (2)

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
ADVANCE LONG-TERM MANAGEMENT TRUST
FOUR TIMES SQUARE
NEW YORK, NY 10036
    X    
NEWHOUSE FAMILY HOLDINGS, L.P.
FOUR TIMES SQUARE
NEW YORK, NY 10036
    X    
ADVANCE PUBLICATIONS, INC
950 FINGERBOARD ROAD
STATEN ISLAND, NY 10305
    X    

Signatures

 Advance Long-Term Management Trust, By: /s/ Michael A. Newhouse, as Trustee on behalf of Advance Long-Term Management Trust   04/09/2013
**Signature of Reporting Person Date

 Newhouse Family Holdings, L.P. By: Advance Long-Term Management Trust, as General Partner, By: /s/ Michael A. Newhouse, as Trustee on behalf of Advance Long-Term Management Trust   04/09/2013
**Signature of Reporting Person Date

 Advance Publications, Inc., By: /s/ Michael A. Newhouse, as Co-President, on behalf of Advance Publications, Inc.   04/09/2013
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The Series C preferred stock is convertible pursuant to its terms into an equal number of shares of Series C common stock at any time.
(2) Through subsidiaries; each reporting person disclaims beneficial ownership except to the extent of its pecuniary interest.
(3) Sold to the issuer in an exempt transaction.

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