Telefonaktiebolaget LM Ericsson (ERIC) 20-F 2012 FY Annual report (foreign)

Exhibit 13

Certification of Chief Executive Officer

Pursuant to 18 U.S.C. §1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned officer of Telefonaktiebolaget LM Ericsson (publ) (the “Company”) hereby certifies, to such officer’s knowledge, that:

(i) the Annual Report on Form 20-F of the Company for the period ended December 31, 2012 (the “Report”) fully complies with the requirements of Section 13(a) or Section 15(d), as applicable, of the Securities Exchange Act of 1934, as amended; and

(ii) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated April 8, 2013

/s/ Hans Vestberg

Hans Vestberg

President and Chief Executive Officer

The foregoing certification is being furnished solely to accompany the Report pursuant to 18 U.S.C. § 1350, and is not being filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and is not to be incorporated by reference into any filing of the Company, whether made before or after the date hereof, regardless of any general incorporation language in such filing.

Certification of Chief Financial Officer

Pursuant to 18 U.S.C. §1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned officer of Telefonaktiebolaget LM Ericsson (publ) (the “Company”) hereby certifies, to such officer’s knowledge, that:

(i) the Annual Report on Form 20-F of the Company for the period ended December 31, 2012 (the “Report”) fully complies with the requirements of Section 13(a) or Section 15(d), as applicable, of the Securities Exchange Act of 1934, as amended; and

(ii) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated April 8, 2013

/s/ Jan Frykhammar

Jan Frykhammar

Executive Vice President and

Chief Financial Officer

The foregoing certification is being furnished solely to accompany the Report pursuant to 18 U.S.C. § 1350, and is not being filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and is not to be incorporated by reference into any filing of the Company, whether made before or after the date hereof, regardless of any general incorporation language in such filing.