Meadowbrook Insurance (MIG) 8-K Regulation FD Disclosure

EXHIBIT 99.1

Investor Presentation

Year End Update - 2011

4

I.Overview of Meadowbrook

8

II.The Meadowbrook Approach

14

Positioned to Manage Insurance Cycles
Diverse Geographic Distribution

Our regional perspective provides the infrastructure to achieve geographic
diversification, while maintaining our effective local touch.

Meadowbrook locations

Top 10 production states (2011)

1

5

9

10

3

9

6

8

7

Bermuda

Culture of Disciplined Underwriting, Claims
Handling & Reserving

15

Loss ratio

Unusual storm losses

2006 - 2011 GAAP and Accident Year Combined Ratios

97.6%

The profitable GAAP combined ratio and overall improvements in re-estimated
accident year combined ratios reflect our disciplined culture.

2006#

2007#

2008#

2009#

2010

98.7%

96.1%

98.7%

93.6%

98.1%

93.2%

98.5%

95.0%

99.7%

Re-estimated AY Combined Ratio†

(as of 12/31/2011)

96.2%*

95.0%*

93.2%*

98.5%

†The re-estimated AY combined ratio reflects reserve adjustments made following the accident year, for example, the 94.4% re-estimated 2006 AY combined ratio reflects
new loss development information gathered over the 5 years from 12/31/2006 to 12/31/2011; the 94.5% re-estimated 2007 AY combined ratio reflects new loss
development gathered over the 5 years from 12/31/2007 to 12/31/2011; etc.

* The 2006 - 2007 initial and re-estimated AY combined ratios excludes Century. The 2008 re-estimated AY combined ratio includes a pro-rata portion of the Century AY
2008 development for the 5 post-merger months.

# 2009, 2008, 2007 and 2006 AY and CY expense ratio reflects expense reclassification as disclosed in our May 3, 2010 8-k filing with the SEC and 2010 10-K.

100.3%

98.7%

98.7%

99.7%

2011

Expense ratio

19

III.Financial Review

20

Financial Highlights - Full Year 2011

Highlights ($ in M, except per share amounts)

Despite the unusual storm losses in 2011, we continue to achieve profitable growth.

25

IV.Investment Considerations