Mitel Us Holdings, Inc.
Paperwork Executed February 27, 2013

Recorded
April 8, 2013

Wilmington Trust, NA

RegistrationRegistration No. 2877312, Issued None

ApplicationApplication No. 78235845, Filed None

RegistrationRegistration No. 2843707, Issued None

ApplicationApplication No. 76463277, Filed None

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ApplicationApplication No. 76463278, Filed None

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ApplicationApplication No. 78307467, Filed None

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ApplicationApplication No. 73477902, Filed None

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ApplicationApplication No. 78249288, Filed None

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ApplicationApplication No. 73502484, Filed None

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ApplicationApplication No. 72449024, Filed None

RegistrationRegistration No. 1793881, Issued None

ApplicationApplication No. 74347383, Filed None

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ApplicationApplication No. 76402939, Filed None

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RegistrationRegistration No. 2749732, Issued None

ApplicationApplication No. 76402932, Filed None

RegistrationRegistration No. 2995794, Issued None

ApplicationApplication No. 78254626, Filed None

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RegistrationRegistration No. 1889707, Issued None

ApplicationApplication No. 74487242, Filed None

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ApplicationApplication No. 75324710, Filed None

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RegistrationRegistration No. 2343548, Issued None

ApplicationApplication No. 75733518, Filed None

MICHELLE WHITTINGTON

Phone: +480961 900 0X21352
E-Mail: michelle_whittington@inter-tel.com