Esterline Technologies Corp (ESL): First Pacific Advisors Enters Into Agreement As Discussions Continue

Name of
Reporting Persons:

First Pacific Advisors, LLC

Check the Appropriate Box if a Member
of a Group (See Instructions):

(a)  ¨        (b)  ¨

SEC Use Only:

Source of Funds (See
Instructions):

OO

Check if Disclosure of Legal
Proceedings is Required Pursuant to Items 2(d) or 2(e):

¨

Citizenship or Place of
Organization:

Delaware

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH:

Sole Voting Power

0

Shared Voting Power

3,690,744

Sole Dispositive Power

0

Shared Dispositive Power

3,690,744

Aggregate Amount Beneficially Owned by Each Reporting Person:

3,690,774

Check if the Aggregate Amount in Row
(11) Excludes Certain Shares (See Instructions):

¨

Percent of Class Represented by Amount
in Row (11):

12.6% (1)

Type of Reporting Person (See
Instructions):

IA, OO