2. BRAZIL Operations added CRA Brazil – July 2012
ASA Brazil – October 2012
Clients – Vale and Petrobras

3. Mining Grew 10X in 4 years Grew >50% from FY11 to FY12
13% of Tt business
Global Mining Practice with operations in:
Canada, U.S., Australia, Chile, and Brazil

4. fy2012 Revenue 2.7 B 5% Net Revenue 2.0 B 13% EBITDA 222 M 12%
US $
∆ Y/Y
Revenue
2.7 B 5%
Net Revenue
2.0 B
13%
EBITDA
222 M
12%
Operating Income
166 M
14%
Diluted EPS
1.63
Backlog
2.1 B
10%
RECORD

5. Top five 1st 2nd 3rd CSI 85% IMR 38% TCI 35% MET 14% AAI FSN 13% AMT
RANK
1st
2nd
3rd
4th
5th
Revenue
CSI
85%
IMR
38%
TCI
35%
WUC
25%
MMI
22%
Operating Income*
MET
14%
AAI
FSN
13%
HEI
CAA
11%
DSOs**
AMT
48 (23)
ENE
58 (22)
BAS
76 (21)
MMI
65 (16)
NUS
61 (15)
BACKLOG
CSI
233%
TSO
108%
TCI
80%
MET
38%
FSN
33%
*Percent of GR
**DSO (days reduced)

6. Clients 1st 2nd 3rd 4th 5th GOVERNMENT 250 USAID 157 U.S. Army 141
RANK
1st
2nd
3rd
4th
5th
6th
7th
8th
9th
10th $M
GOVERNMENT
250
USAID
157
U.S. Army
141
U.S. Navy 82
Department of State 78
Environmental Protection Agency 72
Federal Aviation Administration 70
U.S. Air Force 47
Department of Energy (DOE) 35
New Jersey Turnpike Authority 25
U.S. Dept. Homeland Security $M
COMMERCIAL 77
Cameco Corporation 51
Marble River 44
Freeport McMoran 42
Fox River 33
Shell 20
BHP Billiton
Lockheed 19
Rio Tinto Alcan 17
Suncor 16
General Electric

7. organized for our business
ENGINEERING & CONSULTING SERVICES
TECHNICAL SUPPORT
SERVICES
ENGINEERING & ARCHITECTURE SERVICES
REMEDIATION & CONSTRUCTION MANAGEMENT
Jim Pagenkopf
President
Revenue: $1.2B*
Staff: 6,800
Ron Chu
President
Revenue: $1.1B*
Staff: 5,400
Frank Gross
President
Revenue: $622M
Staff: 1,200
Water Infrastructure
$183M ▪ 950 staff
Buildings & Facilities
$136M ▪ 650 staff

8. ORGANIZED
For our Business
LEAD WITH SCIENCE

9. systems support systems To support ADD ICONS
ACT
IT Tools
Skills Search
Web center
Vendor database
International Admin
Shared Services
Tetra Linx Conversion
support
systems
LISTEN
Small Business and Partnership Council
International Working Council
IT Council
Small Business and Partnership Council
International Working Council
IT Council
IT Tools
Skills Search
Web center
Vendor database
International Admin
Shared Services
Tetra Linx Conversion
ADD ICONS
Show how these are underpinning

10. FOCUS oN EMERGING MARkets
china
india
VIETNAM
Sri lanka
Brazil
chile
SOUTH
AFRICA
Western australia

11. Tetra Tech of tomorrow

12. GLOBAL centers
2015