Jefferies 2017Industrials Conference

Chris Stephens, Senior Vice President, Finance & CFO

New York CityAugust 8, 2017

THIS PRESENTATION CONTAINS FORWARD-LOOKING STATEMENTS

• Forward-looking statements are made based upon management's good faith expectations and beliefs concerning future developments and their potential effect upon the Company.

• These forward-looking statements are subject to risks and uncertainties that may cause actual results to differ materially from those expressed in the forward-looking statements, including the risks and uncertainties set forth under our full disclosure located at the end of this presentation and included in our SEC filings.

• The Company assumes no obligation to update our forward-looking statements.

• References to adjusted financial results are non-GAAP measures. You will find a reconciliation table as an appendix to our “Investor Overview” presentation in the investor relations section of our corporate website at www.BGInc.com.

Safe Harbor Statement

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Americas56%

2016 Revenue Breakdown

Aero %AEROSPACEINDUSTRIAL

$407M$824M

33%67%

TOTAL REVENUE

$1,231M

AEROSPACE INDUSTRIAL

END MARKETS GEOGRAPHY(Destination Sales)

OEM

71%

AFTERMARKET29%

46%

NITROGEN GAS PRODUCTS

14%

ENGINEERED COMPONENTS

40%

MOLDINGSOLUTIONS

AEROSPACE OEM23%

AEROSPACE AFTERMARKET

10%

AUTOPRODUCTION

19%

AUTOMOLDING

SOLUTIONS

15%

GENERAL INDUSTRIAL

14%

TOOL & DIE10%

MEDICAL, PERSONAL CARE & PACKAGING

9%EUROPE

32%ASIA17%

AMERICAS51%

GLOBAL, DIVERSIFIED END MARKETS -3-

Strategic Themes

• Build On Intellectual Property (IP) as Core Differentiator

• Seek Portfolio Enhancements to Drive Shareholder Value

• Choose End-Markets with Long Term Sustainable, Profitable Growth

• Target Cyclical Moderation –Multiple Platforms / Market Channels

• Expand Global Footprint / Access

• Enhance Barnes Enterprise System

• Invigorate Employee Development, Empowerment and Engagement

DRIVE SUSTAINABLE PROFITABLE GROWTH

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A LONG HISTORY ... SIGNIFICANT RECENT TRANSFORMATION

Wallace Barnes founds company in Bristol, CT making springs for hoop skirts and clocks

Associated Spring Formed

Associated Spring stock is offered OTC

Associated Spring is listed on

NYSE

Name changes to Barnes Group Inc.

Barnes Aerospace

formed

Sales pass $500M

Barnes Aerospace expands in Singapore

Acquires NGP Acquires Seeger-Orbis

Sales pass $1B

AcquiresHänggi

BGI celebrates its 150th

Anniversary

AcquiresSynventive

AcquiresMänner

DistributionDivestiture

Acquires Thermoplay and Priamus

Acquires FOBOHA

A Global Industrial and Aerospace Manufacturer and

Services Provider, Serving a Wide Range of End

Markets and Customers

Two Global Business Segments: Industrial & Aerospace

HQ in Bristol, CT with Global Operations in 90+ Locations;

~5,200 Employees

83 Consecutive Years of Paying a Dividend

Barnes Group Overview

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Acquires Gammaflux

$105$300

$160

$110

$38

$9

$75

Portfolio Transformation

2010 Sales Mix (1) M&A Transactions 2016 Sales Mix

32% 36%

32%

INDUSTRIALAEROSPACE

DISTRIBUTION

Divestitures

EuropeN. America

Year Sales

Acquisitions Year Sales

20112013

2012

2013

2015

2015

2016

($ in millions, ~ annual sales at time of transaction)

Sales (1)

Op. Inc. $ (1)

Op. Margin (1)

Share Price (2)

Market Cap(2)

$1,133M

$86.5

7.6%

$20.67

$1.1B

Sales

Adj. Op. Inc. $

Adj. Op. Margin

Share Price (2)

Market Cap(2)

$1,231M

$197.3

16.0%

$47.42

$2.6B

+9%

+128%

+840 bps

+129%

+136%

67%33%AEROSPACE INDUSTRIAL

(1) 2010 Sales, Operating Income and Operating Margin are “as reported” in the Company’s 2010 10-K. 2010 Sales Mix re-calculated to reflect three segments – Aerospace, Industrial & Distribution vs the original two reported segments of Precision Components & Logistics and Manufacturing Services. (2) Share Price and Market Cap as of December 31, 2010 and 2016, respectively.

PORTFOLIO TRANSFORMATION WELL UNDERWAY

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Note: 2001 to 2005 Average Operating Margin adjusted for the impact of accounting changes to be comparable to 2016. 2016 Adjusted Operating Margin, see GAAP reconciliation table at the end of this presentation.

Driving Operating Margin Expansion

• Differentiated Products and Processes

• Organic Growth Investment

• Strategic Acquisitions

• Leverage Commercial Aerospace

• Extend Global Reach

• BES Next Generation

• Talent Management

5%

16.0%

High-Teens

AVG. 2001 - 2005 2016 EXPECTATION

HOLDING COMPANY APPROACH

ALIGNEDPORTFOLIO

EXECUTING OUR STRATEGY TO DELIVER IMPROVED MARGIN PERFORMANCE

FOCUS AREAS

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INDUSTRIALSEGMENT

AEROSPACESEGMENT

OTHER

Actual% of 2016

Sales

2017 Total Sales Growth

Outlook* End Market Highlights / Comments

Molding Solutions 31%

9%Nitrogen Gas Products

Original Equipment Manufacturing (OEM)

Maintenance, Repair,and Overhaul (MRO)

Spare Parts (RSP Programs)

23%

Up Mid 20s

6%

4%

M&A

F/X

Favorable Hot Runner Demand, Focus on MRO Growth & Global Expansion, FOBOHA & Gammaflux Contribution

Tool & Die Markets Remain Strong

New Engine Programs Ramping as OEM Sales Growth Returns, Solid Backlog

Aircraft Utilization Remains High

Favorable CFM56 Demographic Trends Continue

FOBOHA & Gammaflux Acquisition Sales ~+5%

F/X Sales Impact ~0%

2017 TOTAL SALES EXPECTATION UP 14% TO 15%; UP 9% TO 10% ORGANICALLY* LDD – Low double digits %, LSD - Low single digits %

Our 2017 full-year outlook is only as of our July 28, 2017 earnings call, and it is not being updated or affirmed at this time.

UpLDD

Industrial Segment 67%Up LowTeens

Aerospace Segment 33%

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27%Engineered ComponentsGlobal Auto Production Good - but North America declining; General Industrial Markets Improving

Up MidTeens

UpLSD

Up LDD

Up High Teens

Up MidTeens

=

2017 Segment Market Outlook(Updated 7/28/2017)

Why Invest In Barnes Group?

WELL POSITIONED BUSINESSES

STRONG FINANCIAL PERFORMANCE

STRATEGY EXECUTION DELIVERING RESULTS

• Global Industrial Products and Services; Auto Production at High Levels

• Commercial Aero; OEM Production at High Levels, Aftermarket Improving

• Demonstrated Margin Expansion; Further Expansion Planned

• Benefiting from Barnes Enterprise System

• Strong Cash Generator; Solid Balance Sheet

• Expanding Differentiated Systems, Products, and Processes

• Disciplined Acquisitions and Strategic Investments

• Focused on Sustainable, Long-Term Profitable Growth -9-