Navistar International Corp (NAV): MHR Fund Management Acquires More Shares

Name of reporting person

MHR INSTITUTIONAL PARTNERS III LP

Check the appropriate box if a
member of a group (see instructions)

(a)  ¨

(b)  x

SEC use only

Source of funds (see
instructions)

WC

Check box if disclosure of legal
proceedings is required pursuant to Item 2(d) or 2(e)

¨

Citizenship or place of
organization

Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

Sole voting power

14,980,528

Shared voting power

0

Sole dispositive power

14,980,528

Shared dispositive power

0

(11)

Aggregate amount beneficially owned by each reporting person

14,980,528

(12)

Check box if the aggregate amount
in Row (11) excludes certain shares (see instructions)

¨

(13)

Percent of class represented by
amount in Row (11)

18.4%

(14)

Type of reporting person (see
instructions)

PN