Exhibit

Subsidiaries of the Registrant

(as of December 31, 2017)

COMPANY

JURISDICTION

XL Group Ltd.

Bermuda

XL Group plc.

Ireland

XLIT Ltd.

Cayman

EXEL Holdings Limited

Cayman

X.L. Property Holdings Limited

Bermuda

XL Bermuda Ltd

Bermuda

Mid Ocean Holdings Ltd.

Bermuda

XL London Market Group Ltd

Dornoch Limited

XL London Market Ltd- Syndicate 1209

ECS Reinsurance Company Inc.

Barbados

Blitz 17-762 SE

Germany

Blitz 17-763 SE

Germany

Fundamental Insurance Investments Ltd.

Bermuda

XL Underwriting Managers Ltd.

Bermuda

New Ocean Capital Management Limited

57.5

Bermuda

New Ocean Market Value Cat Fund Ltd.***

Bermuda

New Ocean Focus Cat Fund Ltd.***

Bermuda

Vector Reinsurance Ltd.***

Bermuda

Inclusion Resources, Private Ltd.

Singapore

XL Re Europe SE

Ireland

XL (Brazil) Holdings Ltda

Brazil

XL Services (Bermuda) Ltd

Bermuda

XL Life Ltd

Bermuda

Reeve Court General Partner Limited

Bermuda

Reeve Court 4 Limited Partnership

Bermuda

Reeve Court 6 Limited Partnership

Bermuda

XL Gracechurch Limited

XL Insurance (UK) Holdings Limited

XL Insurance Argentina S.A. Compañia de Seguros

Argentina

XL Insurance Company SE

XL Insurance Argentina S.A. Compañia de Seguros

Argentina

XL Insurance (China) Company Ltd

China

XL Seguros Brasil S.A.

Brazil

XL Catlin Services SE

XL Value Offshore LLC

Bermuda

XL Financial Holdings (Ireland) Limited

Ireland

XL Finance (Ireland) Limited

Ireland

XL Services Canada Ltd.

Canada

X.L. America, Inc. *

Delaware

XL Financial Solutions, Inc.****

Delaware

XL Innovate Partners, LP*****

93.39

Delaware

XL Innovate Fund, LP

94.8

Delaware

Complex Risk & Insurance Associates, LLC

Delaware

Climassure, Inc.

Delaware

New Energy Risk, Inc.

Delaware

GPC-INS Partners, LP

99.9

Delaware

XLA Garrison L.P.

Delaware

Catlin, LLC

Delaware

Catlin Insurance Services, Inc.

Louisiana

Catlin Specialty Insurance Company

Delaware

Catlin Indemnity Company

Delaware

Catlin Insurance Company, Inc.

Texas

Catlin Underwriting Inc.

Delaware

XL Reinsurance America Inc.

New York

XL Insurance (China) Company Ltd

China

Greenwich Insurance Company

Delaware

Global Asset Protection Services, LLC

Connecticut

Global Asset Protection Services Company Limited

Japan

Global Asset Protection Services Consultancy (Beijing) Company Limited

China

XL Insurance America, Inc.

Delaware

XL Select Insurance Company

Delaware

XL Insurance Company of New York, Inc.

New York

XL Group Investments LLC

Delaware

XL Group Investments Ltd

Bermuda

XL Specialty Insurance Company

Delaware

Indian Harbor Insurance Company

Delaware

Global Ag Insurance Services, LLC

California

XL Value Onshore LLC

Delaware

Catlin CCC Holdings LLC

Delaware

Allied International Holding Inc.

Florida

Short Term Special Events, Inc.

Florida

T.H.E Insurance Company

Louisiana

Allied Specialty Insurance, Inc.

Florida

Allied Specialty Insurance Agency of Canada, Ltd

Canada

XL Global, Inc.

Delaware

XL Innovate, LLC

Delaware

X.L. Global Services, Inc.

Delaware

Eagleview Insurance Brokerage Services, LLC

Delaware

XL Investments Ltd

Bermuda

XL Capital Products Ltd

Bermuda

Angel Risk Management Limited

XL Insurance Guernsey Limited

Guernsey

Garrison Investments Inc. **

Barbados

XL (WESTERN EUROPE) S.a.r.l.

Luxembourg

XL Swiss Holdings Ltd

Switzerland

XL Re Latin America (Argentina SA)

Argentina

XL Insurance Switzerland Ltd

Switzerland

XL Services Switzerland Ltd

Switzerland

XL India Business Services Private Limited

India

XL Seguros Mexico SA de CV

Mexico

Green Holdings Limited

Bermuda

Catlin Managers Ltd.

Bermuda

Catlin PPV Fund Ltd.

Bermuda

Hubble Re Ltd.

Bermuda

Catlin Insurance Company Ltd.

Bermuda

XL Catlin Middle East

Dubai

Catlin Treasury Guernsey Limited

Guernsey

Catlin Labuan Limited

Malaysia

Catlin Singapore Pte Ltd.

Singapore

Catlin Finance (UK) Ltd.

Catlin USD Holdings Ltd.

Bermuda

Catlin Insurance Company (UK) Holdings Ltd.

Catlin Insurance Company (UK) Ltd.

Catlin Treasury Luxembourg S.a.r.l.

Luxembourg

Catlin Insurance Company (UK) Ltd - Escritorio de Representacao no Brazil Ltda

Brazil

Catlin US Investment Holdings LLC

Delaware

Catlin Luxembourg S.a.r.l.

Luxembourg

Catlin Re Switzerland Ltd./Catlin Re Schweiz AG

Switzerland

XL Latin America Investments Ltd

Bermuda

XL Resseguros Brasil S.A.

Brazil

XL Re Latin America (Argentina SA)

Argentina

Catlin Re Switzerland Ltd Escritório de Representação no Brasil Ltda

Brazil

Catlin US Investment Holdings LLC

Delaware

XL Value Offshore LLC

Bermuda

Catlin (WUPLC) Holdings Limited

Bermuda

Catlin Underwriting

99.9

Catlin (CHUKL) Holdings Limited

Bermuda

Catlin Underwriting

0.1

Catlin (North American) Holdings Ltd.

Catlin Investment Holdings (Jersey) Limited

Jersey

Catlin Investment (UK) Limited

Catlin (PUL) Limited

Catlin Beta Limited

Catlin Gamma Limited

Catlin (One) Limited

Catlin Underwriting (UK) Limited

Catlin Risk Solutions Limited

Catlin Underwriting Services Limited

Catlin (Wellington) Underwriting Agencies Limited

Catlin Syndicate Limited

Catlin Holdings (UK) Limited

Catlin Holdings Limited

Catlin Canada Inc.

Canada

XL Catlin Japan KK

Japan

Catlin Underwriting Agencies Limited

Catlin US Investment Holdings LLC

Delaware

Z Capital N-2L, L.L.C.

Delaware

Z Capital CUAL CO INVEST., L.L.C.

Delaware

Z Capital HG-C, L.L.C.

Delaware

CATGS I, L.L.C.

CUA-CVIII Holdings LLC

C-1001 State Co-Investor, LLC

Delaware

C-140W Co-Investor LLC

Delaware

XL Value Offshore LLC

Bermuda

Catlin Guernsey Limited

Guernsey

Catlin Australia Pty Limited

Australia

Catlin (BB) Limited

Catlin Hong Kong Ltd Limited

Hong Kong

Catlin Angel Strategic Holdings Limited

Catlin Syndicate 6112 Limited (UK)

Catlin Syndicate 6121 Limited

Brooklyn IT Pty Limited

Australia

Brooklyn Underwriting Pty Limited

Australia

(*) - General Partner of XLA Garrison L.P.

(**) - Limited Partner of XLA Garrison L.P.

(***) - Preferred Share Ownership

(****) - General Partner of XL Innovate Partners, LP and limited Partner of XL Innovate Fund, LP

(*****) - General Partner of XL Innovate Fund, LP