Argo Group International 8K Regulation FD Disclosure | ARGO-PA 11 Jun 13

1Q 2013 Investor Presentation

June 2013

Exhibit 99.1

Forward-Looking Statements

This presentation contains “forward-looking statements”

which are made pursuant to the safe harbor

provisions of the Private Securities Litigation Reform Act of 1995. The forward-looking statements are

based on the Company's current expectations and beliefs concerning future developments and their

potential effects on the Company. There can be no assurance that

actual developments will be those

anticipated by the Company. Actual results may differ materially

from those projected as a result of

significant risks and uncertainties, including non-receipt of the expected payments, changes in interest

rates, effect of the performance of financial markets on investment income and fair values of

investments, development of claims and the effect on loss reserves, accuracy in projecting loss

reserves, the impact of competition and pricing environments, changes in the demand for the

Company's products, the effect of general economic conditions, adverse state and federal legislation,

regulations and regulatory investigations into industry practices, developments relating to existing

agreements, heightened competition, changes in pricing environments, and changes in asset

valuations. The Company undertakes no obligation to publicly update any forward-looking statements

as a result of events or developments subsequent to the presentation.

Argo Group at a Glance

Exchange / Ticker:

NASDAQ / “AGII”

Share Price:

$40.26

Market Capitalization:

$1.1 billion

Annual Dividend / Yield:

$0.60 per share / 1.5%

Gross Written Premium:

$1.8 billion

Capital:

$1.9 billion

Analyst Coverage:

Macquarie

(Outperform) -

Amit Kumar

Raymond James

(Outperform) -

Greg Peters

William Blair

(Outperform) -

Adam Klauber

Dowling & Partners

(Neutral) -

Kyle LaBarre

Compass Point

(Neutral) -

Ken Billingsley

Atlanta

Barcelona

Bermuda

Boston

Brussels

Chicago

Dallas

Denver

Dubai

Houston

London

Los Angeles

Malta

New York

Paris

Portland

Richmond

Rio de Janeiro

Rockwood

San Antonio

San Francisco

Sao Paulo

Scottsdale

Seattle

Zurich

Note: Market information as of June 07, 2013 and annual performance figures as of TTM March 31, 2013.

Strong & Focused Specialty Franchise

Global underwriter of specialty P&C insurance

and reinsurance through four segments

Broad footprint strategically located in major

insurance centers

U.S., Bermuda, London and Brazil

Focused on specialty insurance & casualty lines

Leader in U.S. Excess & Surplus Lines

Top quartile Lloyd’s Syndicate by stamp

Deep relationships with retailers, wholesalers

and Lloyd’s brokers

A.M. Best rating of “A”

(excellent financial

strength)

Proven track record of active capital

management

1Q 2013 TTM GWP

Strategy Aligned Toward Shareholder Value

Sustain competitive advantage through superior customer

service, product innovation and underwriting knowledge

Opportunistically grow organically and/or through strategic

acquisitions throughout the underwriting cycle

Manage capital and risk appropriately / maintain strong ratings

Proven ability to attract talent

Evolution of Growth and Diversification

*Excludes GWP recorded in runoff and corporate & other.

Argo Group Business Mix ($1.8B in GWP)

GWP by Segment

Excess &

Surplus Lines

Commercial

Specialty

Syndicate

1200

International

Specialty

GWP by Product

GWP by Business Type

Primary

Insurance

Reinsurance

GWP by Geography

United

States

London

Bermuda

*Data is based on TTM as of March 31, 2013. Excludes GWP recorded in runoff and corporate & other.

Excess &

Surplus Lines

Other

Commercial

Specialty

Property

Public Entity

Marine &

Aerospace

Surety 2%

Alteris 5%

Mining 4%

Emerging Mkts 7%

Emerging Markets 7%

Multi-Channel Distribution Strategy

Maximizing Shareholder Value –

BVPS Growth

* Book value per common share –

outstanding. Adjusted for June 2013 stock dividend. Also includes the impact of the Series A Mandatory Convertible Preferred

Stock as if on a converted basis. Preferred stock had fully converted into common shares as of Dec. 31, 2007.

Price / book calculated at 52-week high and most recent book value per share. Stock price and book value adjusted for PXRE merger for 2006 and prior years.

Note the book value amounts for 2011 and 2010 reflect the effect of the Company’s adoption of new guidance related to accounting for costs associated with

acquiring or renewing insurance contracts. 2009 and prior periods have not been restated.

10.

Substantial Growth and Financial Strength

Scale

2000

2006

TTM 1Q'13

'00-1Q'13 Factor

Gross Written Premiums

$186.1

$1,155.6

$1,787.6

9.6x

Net Written Premiums

163.9

847.0

1,282.3

7.8x

Net Earned Premiums

124.6

813.0

1,213.4

9.7x

Financial Strength

2000

2006

TTM 1Q'13

'00-1Q'13 Factor

Total Assets

$1,565.8

$3,721.5

$6,602.5

4.2x

Total Investments

1,085.6

2,514.1

4,133.2

3.8x

Shareholder's Equity

501.1

847.7

1,546.6

3.1x

Total Capital

501.1

992.0

1,948.1

3.9x

Debt / Total Capital

0.0%

14.5%

20.6%

A.M. Best Rating

11.

Consolidated GWP up 10.6% in 1Q 2013 vs. 1Q 2012

1Q YoY Premium Growth in 3 out of 4 Segments

Reflects impact of strategic initiatives taken, rate increases and improved retention

11.

12.

About Us

•

Leader in U.S. Excess & Surplus Lines

•

Strong relationships with national,

local and regional wholesale brokers

•

Seasoned U/W expertise is a competitive

advantage

•

Target all sizes of non-standard (hard-to-place)

risks, with focus on small/medium accounts

•

Underwrites on both admitted & non-admitted

basis and across all business enterprises via

two brands:

•

Colony Specialty

•

Argo Pro

GWP by Business Unit (TTM 3/31/13)

Casualty 32%

Transportation 16%

Environmental 4%

Allied Medical 5%

Management Liability 3%

Property 10%

Contract 23%

Errors & Omissions 7%

Excess & Surplus Lines Segment (30% of TTM GWP)

12.

Gross Written Premium

Pre-Tax Operating Income & Combined Ratio

*Data is based on TTM as of March 31, 2013.

*Data is based on YTD as of March 31, 2013.

13.

Outperformed E&S Peers in 2012

Peers include: WR Berkley Specialty Segment, Alterra US Segment,

American Safety E&S Segment, Aspen Insurance Segment, Axis Insurance Segment, Endurance

Insurance Segment, HCC US P&C Segment, Markel E&S Segment, Navigators Insurance Segment, RLI P&C Segments, Arch Insurance Segment, United National Insurance

Segment. Top quartile peers include the above mentioned segments

from WR Berkley, RLI, and HCC.

14.

Commercial Specialty (24% of GWP)

About

•

Business primarily placed through

retail

distribution partners

•

Argo Insurance –

Designs customized

commercial insurance programs for grocers, dry

cleaners, restaurants and other specialty retail

clients

•

Trident –

2 largest provider of insurance to

small and midsize U.S. public entities

•

Rockwood –

2 largest provider of commercial

insurance to coal mining industry

•

Alteris

–

fee based business where Argo or

others accept the risk

Gross

Written

Premium

Pre-Tax

Operating

Income

Combined

Ratio

*Data is based on TTM as of March 31, 2013.

*Data is based on YTD as of March 31, 2013.

GWP

Business

Unit

(TTM

3/31/13)

U.S. Retail (Argo Insurance) 21%

Restaurants 5%

Grocery 9%

Dry Cleaners 5%

Other Industries 2%

Public Entity

(Trident) 28%

Surety 9%

Mining

(Rockwood) 18%

Other 3%

Alteris Managed Premium 22%

Other 1%

Transportation 3%

State Workers’

Comp Funds 14%

Self Insured Public Entity 4%

15.

General Liability 14%

Prof. Indemnity 13%

Directors & Officers 2%

Int’l Casualty Treaty 2%

Other 2%

Syndicate 1200 (30% of GWP)

About Us

•

Well-established multi-class

platform at Lloyd’s of London

•

Ranks among the largest

Syndicates at Lloyd’s by Stamp

Capacity

•

Lloyd’s market ratings:

•

‘A’

(Excellent) by A.M. Best

•

‘A+’

(Strong) by S&P

GWP by Business Unit (TTM 3/31/13)

Property 46%

Liability 33%

Specialty 16%

Aerospace 5%

Property Fac 18%

N. Am. & Int’l Binders 10%

Personal Accident 10%

Int’l Property Treaty 2%

Other 6%

15.

Gross Written Premium

Pre-Tax Operating Income & Combined Ratio

‘12

‘10

‘09

‘08

‘11

’13/1Q*

*Data is based on TTM as of March 31, 2013.

*Data is based on YTD as of March 31, 2013.

Cargo 2%

Offshore Energy 7%

Onshore Energy 4%

Yachts & Hulls 2%

16.

International Specialty (16% of GWP)

About Us

•

Bermuda team underwrites

•

Property cat, short tail per risk and

proportional treaty reinsurance worldwide

•

Excess casualty and professional liability

for Fortune 1000 accounts

•

Building diversity through international

expansion:

•

Established primary operations in Brazil

•

Established operations in Euro zone

•

Established regional office in Dubai

•

Distributes through brokers

16.

Gross Written Premium

Pre-Tax Operating Income & Combined Ratio

GWP by Business Unit (TTM 3/31/13)

Excess Casualty 20%

Professional Liability 10%

Brazil 20%

Marine Cargo 6%

Property & Engineering 5%

Motor 5%

Financial Lines 4%

*Data is based on TTM as of March 31, 2013.

*Data is based on YTD as of March 31, 2013.

Reinsurance 50%

Other Assumed Re 6%

Property Risk XS 3%

Property Pro Rata 6%

Property CAT 35%

17.

1Q Operating Results

17.

1Q 2013

1Q 2012

Gross Written Premiums

$438.2

$396.3

Net Written Premiums

279.0

241.2

Earned Premiums

304.2

277.3

Losses and LAE

170.5

165.8

Other Reinsurance-Related Expenses

5.1

6.9

Underwriting, Acquisition and Insurance Expenses

126.7

113.7

Underwriting Income / (Loss)

$1.9

($9.1)

Net Investment Income

27.9

31.4

Fee Income, net

0.0

1.3

Interest Expense

4.9

5.7

Operating Income / (Loss)

$24.9

$17.9

Foreign Currency Exchange Gain / (Loss)

3.1

(2.9)

Net Realized Investment Gains

9.5

13.1

Pre-Tax Income / (Loss)

$37.5

$28.1

Income Tax Provision

4.8

8.5

Net Income / (Loss)

$32.7

$19.6

Operating Income (Loss) per Common Share (Diluted)

$0.78

$0.54

Net Income (Loss) per Common Share (Diluted)

$1.28

$0.74

Loss Ratio²

57.0%

61.3%

Expense Ratio³

42.4%

42.1%

Combined Ratio

99.4%

103.4%

All data in millions except for per share data and ratio calculations.

(1) At an assumed tax rate of 20%.

(2) Defined as Losses & LAE / (Earned Premiums less Other Reinsurance-Related Expenses).

(3) Defined as Underwriting, Acquisition and Insurance Expenses / (Earned Premiums less Other Reinsurance-Related Expenses).

18.

17%

18.

As of March 31, 2013

•

Duration of 3.3 years

•

Average rating of ‘AA-’

•

Book yield of 3.4%

•

Very liquid

•

Conservatively managed

Portfolio Characteristics

Equity Investments by Sector

10% Healthcare

Energy

23%

4% Industrials

14% Funds

5% Financials

11% Info Tech

3% Materials

6% Consumer

Discretionary

Consumer Staples

24%

Asset Allocation

8% Other

Fixed

72%

Maturities.

6% Short Term

14% Equities

Fixed Maturities by Type

7% Short Term

Corporate

35%.

19% Gov.

18% Structured

State/Muni

21%.

*$2.97b in fixed maturities, $0.23b in short term

Conservative Investment Strategy

19.

Active Capital Management

Through share repurchases and dividends, we have returned >$250 million of

capital and repurchased 22% of shares outstanding from 2009 through Q1 2013

Note: Not adjusted for June 2013 stock dividend

2009

2010

2011

2012

Q1 13

2009-Q1 13

Total Shares O/S

30,982,839

31,206,796

31,285,469

31,384,271

31,463,460

Less: Treasury Shares

145,999

3,363,560

4,971,305

6,459,613

6,785,438

Net Shares

30,836,840

27,843,236

26,314,164

24,924,658

24,678,022

Shares Repurchased

145,999

3,217,561

1,607,745

1,488,308

325,825

6,785,438

As % of Beg. Net Shares

10%

22%

Avg. Repurchase Price/sh

$35.23

$33.08

$30.72

$29.92

$37.71

Total Repurchased ($mm)

$5.1

$106.4

$49.4

$44.5

$12.3

$217.8

Dividends/sh

$0.48

$0.15

Dividend Payments ($mm)

$14.3

$13.1

$12.3

$3.7

$43.4

Repurchases + Dividends ($mm)

$5.1

$120.7

$62.5

$56.8

$16.0

$261.1

20.

Stock Price Performance –

Last 12 Months

Source: Thomson

Peer Group consists of: Allied World, American Financial, AmTrust, Arch Capital, Aspen, AXIS Capital, Endurance, Global Indemnity, HCC, Markel, Navigators,

OneBeacon, RLI Corp, Selective Group, Tower Group, W.R. Berkley

21.

Price/Book

Jan-00

May-13

Argo

0.70x

0.69x

Peer Avg.

1.17x

1.15x

Difference

0.47x

0.46x

0.2x

0.4x

0.6x

0.8x

1.0x

1.2x

1.4x

1.6x

1.8x

2.0x

Jan-00

Jan-01

Jan-02

Jan-03

Jan-04

Jan-05

Jan-06

Jan-07

Jan-08

Jan-09

Jan-10

Jan-11

Jan-12

Jan-13

Argo

Peer Group

Compelling Valuation vs. Peer Group

Source: Thomson, SNL, internal analysis.

Note: Price to book is average price/book across all peer companies. Peers include: Allied World , American Financial, AmTrust, Arch, Aspen, AXIS, Endurance, Global

Indemnity, HCC, Markel, Navigators, OneBeacon, RLI, Selective, Tower, W.R. Berkeley.

0.69x

1.15x

0.46x

Difference

22.

Well Positioned for Value Creation in 2013 and Beyond

•

Compelling investment case

•

Stock trading at a discount to book value and below peers

•

Upside potential as past and ongoing efforts continue

believe

that

Argo

Group

has

potential

generate

substantial

value

for

new

and

existing

investors.

•

Significant changes to premium composition completed

•

Results of re-underwriting and efficiency efforts are emerging in financials

•

Modest

pricing

increases

expected

favorably

impact

growth

and

loss

ratios

•

Continue to employ and attract some of the best talent in the industry

•

Brazil has traction and is beginning to scale

•

Building more revenue from non-risk bearing MGA strategy

•

Incremental yield improvements can have a favorable impact on ROE

•

Moderate financial leverage

•

Strong balance sheet with adequate reserves and excellent asset quality

Argo Group International (ARGO-PA) 8-KRegulation FD Disclosure