Exhibit 1
Schedule 13D
JOINT FILING AGREEMENT
The undersigned acknowledge and agree that the foregoing statement on Schedule 13D is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13D shall be filed on behalf of each of the undersigned without the necessity of filing additional joint filing agreements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning him or it contained therein, but shall not be responsible for the completeness and accuracy of the information concerning the others, except to the extent that it knows or has reason to believe that such information is inaccurate.
Dated: October 7, 2013
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| PORTUGAL TELECOM, SGPS, S.A. | ||
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| By: | /s/ Henrique Granadeiro | |
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| Name: | Henrique Granadeiro |
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| Title: | Chief Executive Officer |
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| By: | /s/ Luis Pacheco de Melo | |
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| Name: | Luis Pacheco de Melo |
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| Title: | Chief Financial Officer |
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| PT PORTUGAL, SGPS, S.A. | ||
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| By: | /s/ Luis Pacheco de Melo | |
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| Name: | Luis Pacheco de Melo |
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| Title: | Vice President |
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| By: | /s/ Manuel Francisco Rosa da Silva | |
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| Name: | Manuel Francisco Rosa da Silva |
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| Title: | Executive Member of the Board of Directors |
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| PT COMUNICAÇÕES, S.A. | ||
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| By: | /s/ Manuel Francisco Rosa da Silva | |
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| Name: | Manuel Francisco Rosa da Silva |
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| Title: | Executive Member of the Board of Directors |
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| By: | /s/ Carlos Duarte | |
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| Name: | Carlos Duarte |
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| Title: | Executive Member of the Board of Directors |
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| TMN – TELECOMUNICAÇÕES MÓVEIS NACIONAIS S.A. | ||
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| By: | /s/ Manuel Francisco Rosa da Silva | |
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| Name: | Manuel Francisco Rosa da Silva |
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| Title: | Executive Member of the Board of Directors |
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| By: | /s/ Carlos Duarte | |
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| Name: | Carlos Duarte |
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| Title: | Executive Member of the Board of Directors |
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| PT MÓVEIS, SGPS, S.A. | ||
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| By: | /s/ Henrique Granadeiro | |
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| Name: | Henrique Granadeiro |
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| Title: | Chairman of the Board of Directors |
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| By: | /s/ Luis Pacheco de Melo | |
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| Name: | Luis Pacheco de Melo |
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| Title: | Executive Member of the Board of Directors |
