Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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 *
  AMERICAN INTERNATIONAL GROUP INC
2. Date of Event Requiring Statement (Month/Day/Year)
11/16/2018
3. Issuer Name and Ticker or Trading Symbol
ClearBridge Energy Midstream Opportunity Fund Inc. [EMO]
(Last)
(First)
(Middle)
175 WATER STREET
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
_____ Officer (give title below) __X__ Other (specify below)
See Remarks
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

NEW YORK, NY 10038
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Series D Mandatory Redeemable Preferred Stock 30
I
Held through subsidiaries (1)
Series E Mandatory Redeemable Preferred Stock 70
I
Held through subsidiaries (2)
4.51% Series C Senior Secured Notes due October 15, 2023 16,887,467.92 (3)
I
Held through subsidiaries (4)
4.66% Series D Senior Secured Notes due October 15, 2025 22,643,477.92 (3)
I
Held through subsidiaries (5)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
AMERICAN INTERNATIONAL GROUP INC
175 WATER STREET
NEW YORK, NY 10038
      See Remarks

Signatures

/s/ Geoffrey N. Cornell, Authorized Signatory of American International Group, Inc. 11/16/2018
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) Lexington Insurance Company ("Lexington") and The United States Life Insurance Company in The City of New York ("USLIC"), each an indirect wholly owned subsidiary of American International Group, Inc. ("AIG"), directly hold 10 shares and 20 shares, respectively, of the Series D Mandatory Redeemable Preferred Stock of the issuer (the "Series D MRPS"). AIG is an indirect beneficial owner of the Series D MRPS.
(2) American General Life Insurance Company ("AGLIC") and Lexington, each an indirect wholly owned subsidiary of AIG, directly hold 47 shares and 23 shares, respectively, of the Series E Mandatory Redeemable Preferred Stock of the issuer (the "Series E MRPS"). AIG is an indirect beneficial owner of the Series E MRPS.
(3) The amount shown reflects a cash dollar value.
(4) AGLIC and American Home Assurance Company ("AHAC"), each an indirect wholly owned subsidiary of AIG, directly hold $11,525,696.92 principal amount and $5,361,771.00 principal amount, respectively, of the 4.51% Series C Senior Secured Notes due October 15, 2023 of the issuer (the "Series C Notes"). AIG is an indirect beneficial owner of the Series C Notes.
(5) AGLIC, AHAC, USLIC and The Variable Annuity Life Insurance Company ("VALIC"), each an indirect wholly owned subsidiary of AIG, directly hold $3,000,260.87 principal amount, $7,189,304.00 principal amount, $2,264,347.83 principal amount and $10,189,565.22 principal amount, respectively, of the 4.66% Series D Senior Secured Notes due October 15, 2025 of the issuer (the "Series D Notes"). AIG is an indirect beneficial owner of the Series D Notes.
 
Remarks:
Filed pursuant to Section 30(h) of the Investment Company Act of 1940.

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