Common use of BACK Clause in Contracts

BACK. This Trust Supplement No. 2014-2B-O, dated as of August 11, 2014 (herein called the “Trust Supplement”), between United Airlines, Inc., a Delaware corporation (the “Company”), and Wilmington Trust, National Association (the “Trustee”), to the Pass Through Trust Agreement, dated as of October 3, 2012, between the Company (formerly known as Continental Airlines, Inc.) and the Trustee (the “Basic Agreement”).

BACK. This Trust Supplement No. 2014-2B1B-O, dated as of August 11April 7, 2014 (herein called the “Trust Supplement”), between United Airlines, Inc., a Delaware corporation (the “Company”), and Wilmington Trust, National Association (the “Trustee”), to the Pass Through Trust Agreement, dated as of October 3, 2012, between the Company (formerly known as Continental Airlines, Inc.) and the Trustee (the “Basic Agreement”).

BACK. This Trust Supplement No. 20142007-2B1B-O, dated as of August 11April 10, 2014 2007 (herein called the “"Trust Supplement”"), between United Continental Airlines, Inc., a Delaware corporation (the “"Company”"), and Wilmington Trust, National Association Trust Company (the “"Trustee”"), to the Pass Through Trust Agreement, dated as of October 3September 25, 20121997, between the Company (formerly known as Continental Airlines, Inc.) and the Trustee (the “"Basic Agreement”").

BACK. This Trust Supplement No. 20142016-2B1A-O, dated as of August 11June 13, 2014 2016 (herein called the “Trust Supplement”), between United Airlines, Inc., a Delaware corporation (the “Company”), and Wilmington Trust, National Association (the “Trustee”), to the Pass Through Trust Agreement, dated as of October 3, 2012, between the Company (formerly known as Continental Airlines, Inc.) and the Trustee (the “Basic Agreement”).

BACK. This Trust Supplement No. 20142012-2B3C-O, dated as of August 11December 27, 2014 2012 (herein called the “Trust Supplement”), between United Continental Airlines, Inc., a Delaware corporation (the “Company”), and Wilmington Trust, National Association (the “Trustee”), to the Pass Through Trust Agreement, dated as of October 3, 2012, between the Company (formerly known as Continental Airlines, Inc.) and the Trustee (the “Basic Agreement”).

BACK. This Trust Supplement No. 2014-2B2A-O, dated as of August 11, 2014 (herein called the “Trust Supplement”), between United Airlines, Inc., a Delaware corporation (the “Company”), and Wilmington Trust, National Association (the “Trustee”), to the Pass Through Trust Agreement, dated as of October 3, 2012, between the Company (formerly known as Continental Airlines, Inc.) and the Trustee (the “Basic Agreement”).

BACK. This Trust Supplement No. 20142010-2B1A-O, dated as of August 11December 2, 2014 2010 (herein called the “Trust Supplement”), between United Continental Airlines, Inc., a Delaware corporation (the “Company”), and Wilmington Trust, National Association Trust Company (the “Trustee”), to the Pass Through Trust Agreement, dated as of October 3September 25, 20121997, between the Company (formerly known as Continental Airlines, Inc.) and the Trustee (the “Basic Agreement”).

BACK. This Trust Supplement No. 20142010-2B1B-O, dated as of August 11December 2, 2014 2010 (herein called the “Trust Supplement”), between United Continental Airlines, Inc., a Delaware corporation (the “Company”), and Wilmington Trust, National Association Trust Company (the “Trustee”), to the Pass Through Trust Agreement, dated as of October 3September 25, 20121997, between the Company (formerly known as Continental Airlines, Inc.) and the Trustee (the “Basic Agreement”).

BACK. This Trust Supplement No. 20142012-2B-O, dated as of August 11October 3, 2014 2012 (herein called the “Trust Supplement”), between United Continental Airlines, Inc., a Delaware corporation (the “Company”), and Wilmington Trust, National Association (the “Trustee”), to the Pass Through Trust Agreement, dated as of October 3, 2012, between the Company (formerly known as Continental Airlines, Inc.) and the Trustee (the “Basic Agreement”).

BACK. This Trust Supplement No. 20142012-2B1A-O, dated as of August 11March 22, 2014 2012 (herein called the “Trust Supplement”), between United Continental Airlines, Inc., a Delaware corporation (the “Company”), and Wilmington Trust, National Association Trust Company (the “Trustee”), to the Pass Through Trust Agreement, dated as of October 3September 25, 20121997, between the Company (formerly known as Continental Airlines, Inc.) and the Trustee (the “Basic Agreement”).

BACK. This Trust Supplement No. 2014-2B1A-O, dated as of August 11April 7, 2014 (herein called the “Trust Supplement”), between United Airlines, Inc., a Delaware corporation (the “Company”), and Wilmington Trust, National Association (the “Trustee”), to the Pass Through Trust Agreement, dated as of October 3, 2012, between the Company (formerly known as Continental Airlines, Inc.) and the Trustee (the “Basic Agreement”).

BACK. This Trust Supplement No. 20142009-2B-O, dated as of August 11November 10, 2014 2009 (herein called the “Trust Supplement”), between United Continental Airlines, Inc., a Delaware corporation (the “Company”), and Wilmington Trust, National Association Trust Company (the “Trustee”), to the Pass Through Trust Agreement, dated as of October 3September 25, 20121997, between the Company (formerly known as Continental Airlines, Inc.) and the Trustee (the “Basic Agreement”).

BACK. This Trust Supplement No. 20142012-2B1B-O, dated as of August 11March 22, 2014 2012 (herein called the “Trust Supplement”), between United Continental Airlines, Inc., a Delaware corporation (the “Company”), and Wilmington Trust, National Association Trust Company (the “Trustee”), to the Pass Through Trust Agreement, dated as of October 3September 25, 20121997, between the Company (formerly known as Continental Airlines, Inc.) and the Trustee (the “Basic Agreement”).