Combining Capabilities …

Expanding Services…

Enhancing Success

Exhibit 99.1

Welcome to the Baker Family!

Baker & RBF: At a Glance

Effective October 1, 2011

Ideal Fit with Growth Strategy

Culture

Strategic:  Geographic & Services/Capabilities

Creates a National Planning, Design and

Construction Services Firm

Provides Significant Professional Development

Opportunities for Employees at Both Firms

2

Baker Facts

Founded in 1940 as an Engineering and Surveying Firm

Publicly Traded on the NYSE Amex (BKR)

Provides Professional Engineering, Architectural, and

Construction Services

Over 2,700 Employees in More Than 90 Office Locations

Across the Country

Consistently Ranked by Engineering News-Record in the

Top 10 percent of Professional Design Services Firms

Cultural Fit

We share a

commitment to

superior client

service

Baker strives to be the firm of

choice in the markets we serve

and embodies a client-focused

culture

RBF believes Quality Service

is

the Rule and The Client Comes

First

We both have

strong community

roots and rich

histories

Baker was founded 1940

RBF was founded in 1944

We share in a

commitment to our

communities and

planet

Baker’s purpose:  Creating value

by delivering innovative and

sustainable solutions for

infrastructure and the

environment.

RBF’s purpose:  Make the world

a better place through the

application of the principle of

sustainable development by

providing professional design

services that enhance the quality

of life and the environment.

•

California

•

Southwestern U.S.

Geographic Expansion

•

Water/Wastewater, Transportation, Planning,

Civil and Environmental Engineering, CM/CI ,

Land Development, Geospatial

Bolster Existing and

Pursue New Service

Lines

•

Water and Port Authorities, State and Municipal,

Surface Transportation, Defense, Commercial,

Energy

Expand in Targeted

Markets

•

Emphasizes

and

Supports

Both

Firms’

Internal &

External Sustainability Initiatives

Sustainability

Strategic Fit

Combined National Footprint

RBF Location

Baker Location

Bigger and Better

(1)

Rankings modified to reflect combined Baker-RBF reported revenues. 

(2)

Based on data published in 2011 ENR Top 500 Design Firms.  Revenue in $Millions.

Baker + RBF would be…

#26 in ENR Top 500

#10 in Transportation

#12 in Water Supply

#21 CM-for-Fee

#32 in Sewer/WW

Better Able to Complete for

and Work on Larger, More

Complex Projects on an

International Scale

ENR Top 500 Design Firms

2011 ENR

Rank

(1)

Firm

2010 Design

Revenue

(2)

1

AECOM Technology Corp.

$      5,919.8

2

URS Corp.

$      5,038.8

3

Jacobs

$      4,748.4

4

CH2M HILL

$      3,602.7

5

Fluor Corp.

$      3,127.5

6

AMEC

$      2,456.3

7

Tetra Tech Inc.

$      2,210.0

8

Bechtel

$      2,170.0

9

KBR

$      2,010.3

10

Parsons Brinckerhoff Inc.

$      1,561.4

11

HDR

$      1,500.3

12

Arcadis /Malcolm Pirnie/RTKL

$      1,362.0

13

The Shaw Group Inc.

$      1,210.1

14

Parsons

$      1,167.8

15

Louis Berger Group

$      1,153.0

16

Black & Veatch

$      1,104.8

17

HNTB Cos.

$      1,000.0

18

MWH Global

$         923.0

19

WorleyParsons

Group Inc.

$         772.7

20

Burns & McDonnell

$         684.5

21

Mustang Engineering

$         684.3

22

Gensler

$         656.9

23

CDM

$         632.0

24

CB&I

$         601.0

25

Stantec Inc.

$         578.0

26

Baker + RBF

$          545.3

Bigger and Better

(1)

Based on revenue data published in 2011 ENR Top 100 Pure Design Firms.

ENR Top 100 Pure Design Firms

(1)

Top 10 Pure

Design Firm!

2011 ENR

Rank

Firm

1

AECOM TECHNOLOGY CORP.

2

PARSONS BRINCKERHOFF INC.

3

ARCADIS /MALCOLM PIRNIE/RTKL

4

LOUIS BERGER GROUP

5

HNTB COS.

6

WORLEYPARSONS GROUP INC.

7

MUSTANG ENGINEERING

8

GENSLER

9

STANTEC INC.

10

FUGRO (USA) INC.

11

SARGENT & LUNDY LLC

12

CDI ENGINEERING SOLUTIONS

13

HOK

14

MICHAEL BAKER CORPORATION

15

MACTEC INC.

16

PERKINS+WILL

17

CARDNO USA INC.

18

UNIVERSALPEGASUS INTERNATIONAL INC.

19

STV GROUP INC.

20

TRC COS. INC.

21

TERRACON CONSULTANTS INC.

22

HATCH MOTT MACDONALD

23

KIMLEY-HORN AND ASSOCIATES INC.

24

THE KLEINFELDER GROUP INC.

25

GANNETT FLEMING

Leveraging the Combined Organization

will Accelerate Growth

Expand Sources and Amounts

of Capital

Provide a Larger, More Stable

Platform for Risk

Management

Leverage Combined Expertise

Take-on Larger, More

Complex Challenges

Penetrates New Clients with

Existing Skills

9

Realizing the

Potential Value

of the Combined

Organization

Combining Capabilities …

Expanding Services…

Enhancing Success

Presented by

Brad Mallory, President & CEO, Michael Baker Corporation