SEC Form 3

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 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* Blackstone Holdings I L.P. (Last) (First) (Middle) C/O THE BLACKSTONE GROUP L.P. 345 PARK AVENUE, 28TH FLOOR (Street) NEW YORK NY 10154 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 01/22/2018	3. Issuer Name and Ticker or Trading Symbol One Madison Corp [ OMAD ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of 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

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)
Class A Ordinary Shares	3,440,000	I	See Footnotes(1)(3)(4)(5)
Class A Ordinary Shares	560,000	I	See Footnotes(2)(3)(4)(5)
Class B Ordinary Shares	451,500(6)	I	See Footnotes(1)(3)(4)(5)
Class B Ordinary Shares	73,500(6)	I	See Footnotes(2)(3)(4)(5)

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: 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

1. Name and Address of Reporting Person* Blackstone Holdings I L.P. (Last) (First) (Middle) C/O THE BLACKSTONE GROUP L.P. 345 PARK AVENUE, 28TH FLOOR (Street) NEW YORK NY 10154 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* BSOF Master Fund L.P. (Last) (First) (Middle) C/O THE BLACKSTONE GROUP L.P. 345 PARK AVENUE, 28TH FLOOR (Street) NEW YORK NY 10154 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* BSOF Master Fund II L.P. (Last) (First) (Middle) C/O THE BLACKSTONE GROUP L.P. 345 PARK AVENUE, 28TH FLOOR (Street) NEW YORK NY 10154 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Blackstone Strategic Opportunity Associates L.L.C. (Last) (First) (Middle) C/O THE BLACKSTONE GROUP L.P. 345 PARK AVENUE, 28TH FLOOR (Street) NEW YORK NY 10154 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Blackstone Alternative Solutions L.L.C. (Last) (First) (Middle) C/O THE BLACKSTONE GROUP L.P. 345 PARK AVENUE, 28TH FLOOR (Street) NEW YORK NY 10154 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Blackstone Holdings II L.P. (Last) (First) (Middle) C/O THE BLACKSTONE GROUP L.P. 345 PARK AVENUE, 28TH FLOOR (Street) NEW YORK NY 10154 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Blackstone Holdings I/II GP Inc (Last) (First) (Middle) C/O THE BLACKSTONE GROUP L.P. 345 PARK AVENUE, 28TH FLOOR (Street) NEW YORK NY 10154 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Blackstone Group L.P. (Last) (First) (Middle) 345 PARK AVENUE, 28TH FLOOR. (Street) NEW YORK NY 10154 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Blackstone Group Management L.L.C. (Last) (First) (Middle) C/O THE BLACKSTONE GROUP L.P. 345 PARK AVENUE, 28TH FLOOR (Street) NEW YORK NY 10154 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* SCHWARZMAN STEPHEN A (Last) (First) (Middle) C/O THE BLACKSTONE GROUP L.P. 345 PARK AVENUE, 28TH FLOOR (Street) NEW YORK NY 10154 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. Reflects securities of One Madison Corporation (the "Issuer") directly held by BSOF Master Fund L.P. ("BSOF").

2. Reflects securities of the Issuer directly held by BSOF Master Fund II L.P. ("BSOF II", and together with BSOF, the "BSOF Funds").

3. Blackstone Strategic Opportunity Associates L.L.C. ("BSOA") is the general partner of each of the BSOF Funds. Blackstone Holdings II L.P. ("Holdings II") is the sole member of BSOA. Blackstone Alternative Solutions L.L.C. ("BAS") is the investment manager of each of the BSOF Funds. Blackstone Holdings I L.P. ("Holdings I") is the sole member of BAS. Blackstone Holdings I/II GP Inc. ("Holdings GP") is the general partner of each of Holdings I and Holdings II. The Blackstone Group L.P. ("Blackstone") is the controlling shareholder of Holdings GP. Blackstone Group Management L.L.C. ("Blackstone Management") is the general partner of Blackstone. Blackstone Management is wholly owned by its senior managing directors and controlled by its founder, Stephen A. Schwarzman.

4. Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.

5. Each of the Reporting Persons (other than to the extent it directly holds securities reported herein) disclaims beneficial ownership of the securities held by the other Reporting Persons, except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, each of the Reporting Persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.

6. The Class B Ordinary Shares ("Founder Shares") will be automatically converted into Class A Ordinary Shares (or Class C Ordinary Shares, at the election of the holder) on the first business day following the consummation of the Issuer's initial business combination. The Founder Shares are subject to certain transfer restrictions and an aggregate of 157,500 of the Founder Shares held by BSOF and BSOF II are subject to forfeiture if certain earnout targets are not met.

Remarks:

	BLACKSTONE HOLDINGS I L.P., By: Blackstone Holdings I/II GP, Inc., its general partner, Name: /s/ J. Tomilson Hill, Title: Vice Chairman	01/31/2018
	BSOF MASTER FUND L.P., By: Blackstone Strategic Opportunity Associates L.L.C., its general partner, Name: /s/ Peter Koffler, Title: Authorized Person	01/31/2018
	BSOF MASTER FUND II L.P., By: Blackstone Strategic Opportunity Associates L.L.C., its general partner, Name: /s/ Peter Koffler, Title: Authorized Person	01/31/2018
	BLACKSTONE STRATEGIC OPPORTUNITY ASSOCIATES L.L.C., Name: /s/ Peter Koffler, Title: Authorized Person	01/31/2018
	BLACKSTONE ALTERNATIVE SOLUTIONS L.L.C, Name: /s/ Peter Koffler, Title: Authorized Persons	01/31/2018
	BLACKSTONE HOLDINGS II L.P., By: Blackstone holdings I/II GP Inc., its general partner, Name: /s/ J. Tomilson Hill, Title: Vice Chairman	01/31/2018
	BLACKSTONE HOLDINGS I/II GP INC., Name: /s/ J. Tomilson Hill, Title: Vice Chairman	01/31/2018
	THE BLACKSTONE GROUP L.P., By: Blackstone Group Management L.L.C., its general partner, Name: /s/ J. Tomilson Hill, Title: Vice Chairman	01/31/2018
	BLACKSTONE GROUP MANAGEMENT, L.L.C., Name: /s/ J. Tomilson Hill, Title: Vice Chairman	01/31/2018
	STEPHEN A. SCHWARZMAN, Name: /s/ Stephen A. Schwarzman	01/31/2018
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
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