Summit Midstream Partners (SMLP) SC 13G Summit Midstream Partners / ARES MANAGEMENT ownership change

Exhibit 99.1

JOINT FILING AGREEMENT

The undersigned hereby agree that they are filing this statement jointly pursuant to Rule 13d-1(k)(1). Each of them is responsible for the timely filing of such Schedule 13G and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the completeness or accuracy of the information concerning the other persons making the filing, unless such person knows or has reason to believe that such information is inaccurate.

In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with each other on behalf of each of them of such a statement on Schedule 13G with respect to the Common Stock of Centric Brands, Inc. beneficially owned by each of them. This Joint Filing Agreement shall be included as an exhibit to such Schedule 13G.

IN WITNESS WHEREOF, the undersigned hereby execute this Joint Filing Agreement as of the 27th day of November, 2020.

Ares XXVII CLO Tax Subsidiary Inc.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XXVII CLO Ltd.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XXVIIIR CLO Tax Subsidiary Inc.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XXVIIIR CLO Ltd.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory

Ares XXIX CLO Tax Subsidiary Inc.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XXIX CLO Ltd.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XXXIR CLO Tax Subsidiary Inc.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XXXIR CLO Ltd.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XXXIIR CLO Tax Subsidiary Inc.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XXXIIR CLO Ltd.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory

Ares XXXIV CLO Tax Subsidiary Inc.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XXXIV CLO Ltd.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XXXVR CLO Tax Subsidiary Inc.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XXXVR CLO Ltd.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XXXVII CLO Issuer Subsidiary Inc.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XXXVII CLO Ltd.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory

Ares XXXVIII CLO Tax Subsidiary Inc.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XXXVIII CLO Ltd.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XXXIX CLO Tax Subsidiary Inc.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XXXIX CLO Ltd.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XL CLO Tax Subsidiary Inc.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XL CLO Ltd.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory

Ares XLI CLO Tax Subsidiary Inc.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XLI CLO Ltd.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XLII CLO Tax Subsidiary Inc.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XLII CLO Ltd.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XLIII CLO Tax Subsidiary Inc.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XLIII CLO Ltd.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory

Ares XLIV CLO Tax Subsidiary Inc.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XLIV CLO Ltd.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XLV CLO Issuer Subsidiary Inc.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XLV CLO Ltd.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XLVI CLO Tax Subsidiary Inc.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XLVI CLO Ltd.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory

Ares XLVII CLO Tax Subsidiary Inc.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XLVII CLO Ltd.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XLVIII CLO Tax Subsidiary Inc.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XLVIII CLO Ltd.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XLIX CLO Tax Subsidiary Inc.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares XLIX CLO Ltd.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory

Ares Management LLC
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares Management Holdings L.P.
By:	Ares Holdco LLC
Its:	General Partner
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares Holdco LLC
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares Holdings Inc.
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares Management Corporation
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares Management GP LLC
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares Voting LLC
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory
Ares Partners Holdco LLC
Signed:	/s/ Naseem Sagati Aghili
Name:	Naseem Sagati Aghili
Title:	Authorized Signatory