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NOTICE OF APPEARANCE OF COUNSEL

CASE NO. 16-MD-02752-LHK

Gibson, Dunn & 

Crutcher LLP

Ann Marie Mortimer (SBN 169077)

amortimer@hunton.com

Jason J. Kim (SBN 221476)

kimj@hunton.com

Kirk A. Hornbeck (SBN 241708)

khornbeck@hunton.com

HUNTON & WILLIAMS LLP

550 South Hope Street, Suite 2000

Los Angeles, CA 90071

Telephone: 213.532.2000

Facsimile: 213.532.2020

Samuel A. Danon (admitted pro hac vice) 

sdanon@hunton.com

John J. Delionado (admitted pro hac vice)

jdelionado@hunton.com

HUNTON & WILLIAMS LLP 

1111 Brickell Avenue, Suite 2500 

Miami, Florida 33143 

Telephone: 305.810.2500 

Facsimile: 305.810.2460 

Theodore J. Boutrous, Jr. (SBN 132099)

tboutrous@gibsondunn.com

Joshua A. Jessen (SBN 222831)

jjessen@gibsondunn.com

GIBSON, DUNN & CRUTCHER LLP

333 South Grand Avenue

Los Angeles, CA 90071

Telephone: 213.229.7000

Facsimile: 213.229.7520

Michael Li-Ming Wong (SBN 194130)

mwong@gibsondunn.com

Rachel S. Brass (SBN 219301)

rbrass@gibsondunn.com

GIBSON, DUNN & CRUTCHER LLP

555 Mission Street, Suite 3000

San Francisco, CA 94105

Telephone: 415.393.8200

Facsimile: 415.393.8306

Attorneys for Defendants YAHOO! INC.

and AABACO SMALL BUSINESS, LLC

UNITED STATES DISTRICT COURT

NORTHERN DISTRICT OF CALIFORNIA

SAN JOSE DIVISION

IN RE: YAHOO! CUSTOMER DATA 

SECURITY BREACH LITIGATION

CASE NO. 16-MD-02752-LHK

NOTICE OF APPEARANCE OF COUNSEL 

FOR DEFENDANTS YAHOO! INC. AND 

AABACO SMALL BUSINESS, LLC

Hon. Lucy H. Koh

Case 5:16-md-02752-LHK Document 213 Filed 02/27/18 Page 1 of 4
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1

NOTICE OF APPEARANCE OF COUNSEL

CASE NO. 16-MD-02752-LHK

Gibson, Dunn & 

Crutcher LLP

PLEASE TAKE NOTICE that attorneys Theodore J. Boutrous, Jr. and Joshua A. Jessen of the 

law firm Gibson, Dunn & Crutcher LLP, 333 South Grand Avenue, Los Angeles, California, 90071, 

and Michael Li-Ming Wong and Rachel S. Brass of the law firm Gibson, Dunn & Crutcher LLP, 555 

Mission Street, Suite 3000, San Francisco, California, 94105, enter their appearances as counsel for 

Defendants Yahoo! Inc. and Aabaco Small Business, LLC in the above-captioned matter.

Appearing counsel request that all papers in this action be served upon the undersigned at the 

addresses below:

THEODORE J. BOUTROUS, JR. 

GIBSON, DUNN & CRUTCHER LLP

333 South Grand Avenue

Los Angeles, CA 90071

Telephone: 213.229.7000

Facsimile: 213.229.7520

Email: tboutrous@gibsondunn.com

JOSHUA A. JESSEN

GIBSON, DUNN & CRUTCHER LLP

333 South Grand Avenue

Los Angeles, CA 90071

Telephone: 213.229.7000

Facsimile: 213.229.7520

Email: jjessen@gibsondunn.com

MICHAEL LI-MING WONG 

GIBSON, DUNN & CRUTCHER LLP

555 Mission Street, Suite 3000

San Francisco, CA 94105

Telephone: 415.393.8200 

Facsimile: 415.393.8306

Email: mwong@gibsondunn.com

RACHEL S. BRASS 

GIBSON, DUNN & CRUTCHER LLP

555 Mission Street, Suite 3000

San Francisco, CA 94105

Telephone: 415.393.8200 

Facsimile: 415.393.8306

Email: rbrass@gibsondunn.com

Case 5:16-md-02752-LHK Document 213 Filed 02/27/18 Page 2 of 4
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2

NOTICE OF APPEARANCE OF COUNSEL

CASE NO. 16-MD-02752-LHK

Gibson, Dunn & 

Crutcher LLP

DATED: February 27, 2018 GIBSON, DUNN & CRUTCHER LLP

By: /s/ Theodore J. Boutrous, Jr. ______ . 

THEODORE J. BOUTROUS, JR. 

DATED: February 27, 2018 GIBSON, DUNN & CRUTCHER LLP

By: /s/ Joshua A. Jessen____ ________ . 

JOSHUA A. JESSEN 

DATED: February 27, 2018 GIBSON, DUNN & CRUTCHER LLP

By: /s/ Michael Li-Ming Wong . 

MICHAEL LI-MING WONG

DATED: February 27, 2018 GIBSON, DUNN & CRUTCHER LLP

By: /s/ Rachel S. Brass _________ ___ . 

RACHEL S. BRASS 

Attorneys for Defendants YAHOO! INC. and AABACO 

SMALL BUSINESS, LLC

Case 5:16-md-02752-LHK Document 213 Filed 02/27/18 Page 3 of 4
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NOTICE OF APPEARANCE OF COUNSEL

CASE NO. 16-MD-02752-LHK

Gibson, Dunn & 

Crutcher LLP

ATTORNEY ATTESTATION

Pursuant to Civil Local Rule 5-1, I, Theodore J. Boutrous, Jr. hereby attest that concurrence in 

the filing of this document has been obtained from Joshua A. Jessen, Michael Li-Ming Wong, and 

Rachel Brass.

DATED: February 27, 2018 GIBSON, DUNN & CRUTCHER LLP

By: /s/ Theodore J. Boutrous, Jr. ______ . 

THEODORE J. BOUTROUS, JR. 

Attorneys for Defendants YAHOO! INC. and AABACO 

SMALL BUSINESS, LLC

Case 5:16-md-02752-LHK Document 213 Filed 02/27/18 Page 4 of 4