in addition , adjusted book value per share increased $ 10 in 2012 from share repurchases and $ 3 from foreign currency translation . effective january 1 , 2013 , sweden reduced its corporate tax rate from 26.3 % to 22.0 % , and luxembourg increased its corporate tax rate from 28.8 % to 29.2 % . this resulted in a reduction in sirius group 's net deferred tax liabilities in sweden and an increase in sirius group 's net deferred tax assets in luxembourg at december 31 , 2012. in addition , during the quarter sirius group had a net release of valuation allowances on deferred tax assets in luxembourg and white mountains established a valuation allowance on deferred tax assets of a group of u.s. companies reported in the other operations segment . in total , these changes resulted in an increase to adjusted book value per share of $ 13 in the fourth quarter of 2012 . 46 overview-year ended december 31 , 2011 versus year ended december 31 , 2010 white mountains ended 2011 with an adjusted book value per share of $ 542 , an increase of 23 % , including dividends , from december 31 , 2010. white mountains reported adjusted comprehensive income of $ 745 million in 2011 compared to adjusted comprehensive income of $ 141 million in 2010. the increase in adjusted book value per share in 2011 was driven by an $ 89 increase from the gain from the esurance sale , net of transaction related expenses . onebeacon 's book value per share increased 3 % during 2011 , including dividends . onebeacon 's gaap combined ratio was 92 % for 2011 compared to 96 % for 2010. the decrease was primarily driven by improved current accident year results , partially offset by higher catastrophe losses . sirius group 's gaap combined ratio was 100 % for 2011 compared to 94 % for 2010. both years were impacted by significant catastrophe losses as 2011 included 24 points of catastrophe losses compared to 23 points in 2010. total net written premiums decreased 3 % to $ 1,978 million in 2011 from $ 2,034 million in 2010. excluding the $ 180 million of net written premiums in 2010 related to onebeacon 's personal lines business , net written premiums were up 7 % in 2011 , due to higher net written premiums at both onebeacon and sirius group . onebeacon 's net written premiums increased 8 % to $ 1,063 million in 2011 , primarily due to new business and improved retention in several lines , particularly within the accident , government risk , energy and technology businesses . sirius group 's net written premiums increased 6 % to $ 916 million in 2011 , primarily due to increases in the accident and health and trade credit lines of business and foreign currency translation . white mountains ' gaap investment return was 2.9 % in 2011. the fixed income portfolio return ( in local currencies ) of 3.1 % was lower than the barclay 's intermediate aggregate bond index return of 6.0 % , as the fixed income portfolio trailed the longer-duration benchmark as rates declined . the equity portfolio return was 1.4 % compared to the s & p 500 index return of 2.1 % . in addition , adjusted book value per share increased $ 17 in 2011 from the release of a valuation allowance against deferred tax assets in two luxembourg subsidiaries and $ 5 from share repurchases . also , adjusted book value per share decreased $ 6 in 2011 from a gaap other-than-temporary impairment write-down on the investment in symetra common shares . white mountains concluded that the accounting impairment on its investment in symetra common shares existed due to the prolonged low interest rate environment in which life insurance companies operate and not from reasons specific to symetra itself . as a result , white mountains does not believe that the accounting impairment equates to an impairment in symetra 's long-term intrinsic business value . see critical accounting estimates - white mountains ' investment in symetra common shares on page 100 for a more detailed discussion . foreign currency translation did not have a significant impact on adjusted book value per share in 2011. adjusted book value per share the following table presents white mountains ' adjusted book value per share , a non-gaap financial measure , for the years ended december 31 , 2012 , 2011 and 2010 and reconciles this non-gaap measure to the most comparable gaap measure ( see non-gaap financial measures on page 73 ) : replace_table_token_18_th 47 review of consolidated results a summary of white mountains ' consolidated financial results for the years ended december 31 , 2012 , 2011 and 2010 follows : replace_table_token_19_th ( 1 ) on december 31 , 2011 , tuckerman fund i was dissolved and all of the net assets of the fund , which consisted of the llc units of hamer and bri-mar , two small manufacturing companies , were distributed . as of october 1 , 2012 , hamer and bri-mar are no longer consolidated and are accounted for as investments in unconsolidated affiliates . ( 2 ) adjusted comprehensive income is a non-gaap measure . for a reconciliation to the most comparable gaap measure ( see non-gaap measures on page 73 ) . 48 consolidated results—year ended december 31 , 2012 versus year ended december 31 , 2011 white mountains ' total revenues increased 12 % to $ 2,436 million in 2012 compared to $ 2,173 million in 2011 , primarily due to higher earned insurance and reinsurance premiums , foreign currency translation gains , higher net realized and unrealized investment gains and an improvement of the mark-to-market performance of the symetra warrants , partially offset by lower net investment income . story_separator_special_tag limiting risk of loss through reinsurance arrangements serves to mitigate the impact of large losses ; however , the cost of this protection in an individual period may exceed the benefit . onebeacon 's net combined ratio for 2012 was lower than its gross combined ratio by 1 point , primarily due to the significant amount of reinsurance cessions related to hurricane sandy , which were partially off-set by the impact of the cost of facultative reinsurance and property reinsurance , and also the cost of catastrophe reinsurance and marine reinsurance . onebeacon 's net combined ratio for 2011 was higher than its gross combined ratio by 4 points , primarily due to the impact of the cost of facultative reinsurance and property reinsurance , and also the cost of catastrophe reinsurance and marine reinsurance . onebeacon results—year ended december 31 , 2011 versus year ended december 31 , 2010 onebeacon ended 2011 with a book value per share of $ 11.56 , an increase of 3 % , including dividends ( quarterly dividends of $ 0.21 per share and a special dividend of $ 1.00 per share paid in june 2011 ) from december 31 , 2010. onebeacon 's gaap investment return was 3.0 % for 2011. onebeacon 's results for 2011 were adversely impacted by a decline in the value of investment assets in onebeacon 's pension plan , the loss resulting from a debt tender on the 2003 obh senior notes , and the loss on the autoone sale . 52 onebeacon 's gaap combined ratio for 2011 decreased to 92 % from 96 % for 2010 , primarily due to better current accident year results , partially offset by higher catastrophe losses . onebeacon experienced a number of large losses in its property and inland marine business during 2010. the gaap combined ratio for 2011 included 4 points of catastrophe losses compared to 2 points in 2010. the gaap combined ratio included 3 points of favorable loss reserve development for both years . onebeacon 's net written premiums decreased 8 % in 2011 to $ 1,063 million from $ 1,168 million in 2010. excluding $ 171 million of net written premiums in 2010 related to onebeacon 's personal lines business , which was sold in july of 2010 , onebeacon 's net written premiums increased 8 % in 2011 , primarily due to new business and improved retention in several lines , particularly within the collector cars and boats , accident , government risk , energy and technology businesses . onebeacon 's other revenues in 2011 included a $ 12 million loss related to the repurchase of a portion of the 2003 obh senior notes . onebeacon 's other revenues in 2010 included a $ 9 million net gain on the sale of onebeacon 's personal lines business , partially offset by an $ 11 million loss related to the repurchase of a portion of the 2003 obh senior notes . onebeacon 's policy acquisition expenses decreased 12 % to $ 221 million and other underwriting expenses decreased 17 % to $ 162 million in 2011. excluding the personal lines business that onebeacon sold in 2010 , onebeacon 's policy acquisition expenses increased 4 % and other underwriting expenses were essentially flat in 2011. interest expense decreased 31 % to $ 21 million in 2011 , reflective of lower outstanding debt . reinsurance protection . onebeacon 's net combined ratio for 2011 was higher than its gross combined ratio by 4 points , primarily due to the impact of the cost of facultative reinsurance and property reinsurance , and also the cost of catastrophe reinsurance and marine reinsurance . onebeacon 's net combined ratio for 2010 was higher than its gross combined ratio by 4 points , primarily due to the impact of the cost of catastrophe reinsurance and facultative reinsurance . sirius group financial results and gaap combined ratios for sirius group for the years ended december 31 , 2012 , 2011 and 2010 follows : replace_table_token_22_th 53 sirius group results—year ended december 31 , 2012 versus year ended december 31 , 2011 sirius group 's gaap combined ratio was 90 % for 2012 compared to 100 % for 2011. the decrease was primarily due to lower catastrophe losses , as the 2012 combined ratio included 13 points ( $ 117 million ) of catastrophe losses net of reinsurance and reinstatement premiums , primarily due to $ 98 million of losses from hurricane sandy , compared to 24 points ( $ 218 million ) in 2011 , primarily due to the japan earthquake and tsunami , the new zealand earthquakes and the floods in thailand . additionally , the 2012 combined ratio included 3 points of agricultural losses principally as a result of the drought in the midwestern united states . favorable loss reserve development was 4 points for 2012. the major reductions in loss reserve estimates were recognized in casualty runoff ( $ 32 million ) , property ( $ 28 million ) , marine/energy ( $ 12 million ) , trade credit ( $ 7 million ) and aviation/space ( $ 5 million ) lines , partially offset by a $ 46 million increase in asbestos and environmental loss reserves and a $ 4 million increase in accident and health . favorable loss reserve development was 5 points for 2011 and was primarily attributable to $ 41 million of favorable development on property lines , partially offset by asbestos and environmental increases of $ 12 million . sirius group 's gross written premiums increased 4 % ( 6 % in local currencies ) to $ 1,179 million in 2012 from $ 1,128 million for 2011 , while net written premiums increased 3 % ( 5 % in local currencies ) to $ 948 million for 2012 from $ 916 million in 2011. these increases were primarily from the property and accident and health lines of business , partially offset by decreases in the

cash outflows millions due in one year or less due in two to three years due in four to five years due after five years total wm life re reinsurance contracts $ 3 $ 7 $ 471 $ — $ 481 white mountains purchases derivative instruments , including futures and over-the-counter option contracts on interest rates , major equity indices , and foreign currencies , to mitigate the risks associated with changes in the fair value of the reinsured variable annuity guarantees . at december 31 , 2012 , the fair value of these derivative instruments was $ 98 million . in addition , wm life re held approximately $ 394 million of cash and fixed maturity investments at december 31 , 2012 posted as collateral to its reinsurance counterparties . share repurchases in 2006 , white mountains ' board of directors authorized the company to repurchase up to 1,000,000 of its common shares , from time to time , subject to market conditions . in 2010 and 2012 , white mountains ' board of directors authorized the company to repurchase an additional 600,000 and 1,000,000 , respectively , of its common shares , for a total authorization of 2.6 million shares . shares may be repurchased on the open market or through privately negotiated transactions . the repurchase authorizations do not have a stated expiration date . at december 31 , 2012 , white mountains may repurchase an additional 685,496 shares under these board authorizations . in addition , from time to time white mountains has also repurchased its common shares through tender offers that were separately approved by its board of directors .


 Write a concise suspicious activity report of the following text delimited by triple backquotes. Return your response as a formal report which covers the key points highlighting the location,dates,entity names and account holder information in chronological order of the text.
     ```cash outflows millions due in one year or less due in two to three years due in four to five years due after five years total wm life re reinsurance contracts $ 3 $ 7 $ 471 $ — $ 481 white mountains purchases derivative instruments , including futures and over-the-counter option contracts on interest rates , major equity indices , and foreign currencies , to mitigate the risks associated with changes in the fair value of the reinsured variable annuity guarantees . at december 31 , 2012 , the fair value of these derivative instruments was $ 98 million . in addition , wm life re held approximately $ 394 million of cash and fixed maturity investments at december 31 , 2012 posted as collateral to its reinsurance counterparties . share repurchases in 2006 , white mountains ' board of directors authorized the company to repurchase up to 1,000,000 of its common shares , from time to time , subject to market conditions . in 2010 and 2012 , white mountains ' board of directors authorized the company to repurchase an additional 600,000 and 1,000,000 , respectively , of its common shares , for a total authorization of 2.6 million shares . shares may be repurchased on the open market or through privately negotiated transactions . the repurchase authorizations do not have a stated expiration date . at december 31 , 2012 , white mountains may repurchase an additional 685,496 shares under these board authorizations . in addition , from time to time white mountains has also repurchased its common shares through tender offers that were separately approved by its board of directors .
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 Suspicious Activity Report : in addition , adjusted book value per share increased $ 10 in 2012 from share repurchases and $ 3 from foreign currency translation . effective january 1 , 2013 , sweden reduced its corporate tax rate from 26.3 % to 22.0 % , and luxembourg increased its corporate tax rate from 28.8 % to 29.2 % . this resulted in a reduction in sirius group 's net deferred tax liabilities in sweden and an increase in sirius group 's net deferred tax assets in luxembourg at december 31 , 2012. in addition , during the quarter sirius group had a net release of valuation allowances on deferred tax assets in luxembourg and white mountains established a valuation allowance on deferred tax assets of a group of u.s. companies reported in the other operations segment . in total , these changes resulted in an increase to adjusted book value per share of $ 13 in the fourth quarter of 2012 . 46 overview-year ended december 31 , 2011 versus year ended december 31 , 2010 white mountains ended 2011 with an adjusted book value per share of $ 542 , an increase of 23 % , including dividends , from december 31 , 2010. white mountains reported adjusted comprehensive income of $ 745 million in 2011 compared to adjusted comprehensive income of $ 141 million in 2010. the increase in adjusted book value per share in 2011 was driven by an $ 89 increase from the gain from the esurance sale , net of transaction related expenses . onebeacon 's book value per share increased 3 % during 2011 , including dividends . onebeacon 's gaap combined ratio was 92 % for 2011 compared to 96 % for 2010. the decrease was primarily driven by improved current accident year results , partially offset by higher catastrophe losses . sirius group 's gaap combined ratio was 100 % for 2011 compared to 94 % for 2010. both years were impacted by significant catastrophe losses as 2011 included 24 points of catastrophe losses compared to 23 points in 2010. total net written premiums decreased 3 % to $ 1,978 million in 2011 from $ 2,034 million in 2010. excluding the $ 180 million of net written premiums in 2010 related to onebeacon 's personal lines business , net written premiums were up 7 % in 2011 , due to higher net written premiums at both onebeacon and sirius group . onebeacon 's net written premiums increased 8 % to $ 1,063 million in 2011 , primarily due to new business and improved retention in several lines , particularly within the accident , government risk , energy and technology businesses . sirius group 's net written premiums increased 6 % to $ 916 million in 2011 , primarily due to increases in the accident and health and trade credit lines of business and foreign currency translation . white mountains ' gaap investment return was 2.9 % in 2011. the fixed income portfolio return ( in local currencies ) of 3.1 % was lower than the barclay 's intermediate aggregate bond index return of 6.0 % , as the fixed income portfolio trailed the longer-duration benchmark as rates declined . the equity portfolio return was 1.4 % compared to the s & p 500 index return of 2.1 % . in addition , adjusted book value per share increased $ 17 in 2011 from the release of a valuation allowance against deferred tax assets in two luxembourg subsidiaries and $ 5 from share repurchases . also , adjusted book value per share decreased $ 6 in 2011 from a gaap other-than-temporary impairment write-down on the investment in symetra common shares . white mountains concluded that the accounting impairment on its investment in symetra common shares existed due to the prolonged low interest rate environment in which life insurance companies operate and not from reasons specific to symetra itself . as a result , white mountains does not believe that the accounting impairment equates to an impairment in symetra 's long-term intrinsic business value . see critical accounting estimates - white mountains ' investment in symetra common shares on page 100 for a more detailed discussion . foreign currency translation did not have a significant impact on adjusted book value per share in 2011. adjusted book value per share the following table presents white mountains ' adjusted book value per share , a non-gaap financial measure , for the years ended december 31 , 2012 , 2011 and 2010 and reconciles this non-gaap measure to the most comparable gaap measure ( see non-gaap financial measures on page 73 ) : replace_table_token_18_th 47 review of consolidated results a summary of white mountains ' consolidated financial results for the years ended december 31 , 2012 , 2011 and 2010 follows : replace_table_token_19_th ( 1 ) on december 31 , 2011 , tuckerman fund i was dissolved and all of the net assets of the fund , which consisted of the llc units of hamer and bri-mar , two small manufacturing companies , were distributed . as of october 1 , 2012 , hamer and bri-mar are no longer consolidated and are accounted for as investments in unconsolidated affiliates . ( 2 ) adjusted comprehensive income is a non-gaap measure . for a reconciliation to the most comparable gaap measure ( see non-gaap measures on page 73 ) . 48 consolidated results—year ended december 31 , 2012 versus year ended december 31 , 2011 white mountains ' total revenues increased 12 % to $ 2,436 million in 2012 compared to $ 2,173 million in 2011 , primarily due to higher earned insurance and reinsurance premiums , foreign currency translation gains , higher net realized and unrealized investment gains and an improvement of the mark-to-market performance of the symetra warrants , partially offset by lower net investment income . story_separator_special_tag limiting risk of loss through reinsurance arrangements serves to mitigate the impact of large losses ; however , the cost of this protection in an individual period may exceed the benefit . onebeacon 's net combined ratio for 2012 was lower than its gross combined ratio by 1 point , primarily due to the significant amount of reinsurance cessions related to hurricane sandy , which were partially off-set by the impact of the cost of facultative reinsurance and property reinsurance , and also the cost of catastrophe reinsurance and marine reinsurance . onebeacon 's net combined ratio for 2011 was higher than its gross combined ratio by 4 points , primarily due to the impact of the cost of facultative reinsurance and property reinsurance , and also the cost of catastrophe reinsurance and marine reinsurance . onebeacon results—year ended december 31 , 2011 versus year ended december 31 , 2010 onebeacon ended 2011 with a book value per share of $ 11.56 , an increase of 3 % , including dividends ( quarterly dividends of $ 0.21 per share and a special dividend of $ 1.00 per share paid in june 2011 ) from december 31 , 2010. onebeacon 's gaap investment return was 3.0 % for 2011. onebeacon 's results for 2011 were adversely impacted by a decline in the value of investment assets in onebeacon 's pension plan , the loss resulting from a debt tender on the 2003 obh senior notes , and the loss on the autoone sale . 52 onebeacon 's gaap combined ratio for 2011 decreased to 92 % from 96 % for 2010 , primarily due to better current accident year results , partially offset by higher catastrophe losses . onebeacon experienced a number of large losses in its property and inland marine business during 2010. the gaap combined ratio for 2011 included 4 points of catastrophe losses compared to 2 points in 2010. the gaap combined ratio included 3 points of favorable loss reserve development for both years . onebeacon 's net written premiums decreased 8 % in 2011 to $ 1,063 million from $ 1,168 million in 2010. excluding $ 171 million of net written premiums in 2010 related to onebeacon 's personal lines business , which was sold in july of 2010 , onebeacon 's net written premiums increased 8 % in 2011 , primarily due to new business and improved retention in several lines , particularly within the collector cars and boats , accident , government risk , energy and technology businesses . onebeacon 's other revenues in 2011 included a $ 12 million loss related to the repurchase of a portion of the 2003 obh senior notes . onebeacon 's other revenues in 2010 included a $ 9 million net gain on the sale of onebeacon 's personal lines business , partially offset by an $ 11 million loss related to the repurchase of a portion of the 2003 obh senior notes . onebeacon 's policy acquisition expenses decreased 12 % to $ 221 million and other underwriting expenses decreased 17 % to $ 162 million in 2011. excluding the personal lines business that onebeacon sold in 2010 , onebeacon 's policy acquisition expenses increased 4 % and other underwriting expenses were essentially flat in 2011. interest expense decreased 31 % to $ 21 million in 2011 , reflective of lower outstanding debt . reinsurance protection . onebeacon 's net combined ratio for 2011 was higher than its gross combined ratio by 4 points , primarily due to the impact of the cost of facultative reinsurance and property reinsurance , and also the cost of catastrophe reinsurance and marine reinsurance . onebeacon 's net combined ratio for 2010 was higher than its gross combined ratio by 4 points , primarily due to the impact of the cost of catastrophe reinsurance and facultative reinsurance . sirius group financial results and gaap combined ratios for sirius group for the years ended december 31 , 2012 , 2011 and 2010 follows : replace_table_token_22_th 53 sirius group results—year ended december 31 , 2012 versus year ended december 31 , 2011 sirius group 's gaap combined ratio was 90 % for 2012 compared to 100 % for 2011. the decrease was primarily due to lower catastrophe losses , as the 2012 combined ratio included 13 points ( $ 117 million ) of catastrophe losses net of reinsurance and reinstatement premiums , primarily due to $ 98 million of losses from hurricane sandy , compared to 24 points ( $ 218 million ) in 2011 , primarily due to the japan earthquake and tsunami , the new zealand earthquakes and the floods in thailand . additionally , the 2012 combined ratio included 3 points of agricultural losses principally as a result of the drought in the midwestern united states . favorable loss reserve development was 4 points for 2012. the major reductions in loss reserve estimates were recognized in casualty runoff ( $ 32 million ) , property ( $ 28 million ) , marine/energy ( $ 12 million ) , trade credit ( $ 7 million ) and aviation/space ( $ 5 million ) lines , partially offset by a $ 46 million increase in asbestos and environmental loss reserves and a $ 4 million increase in accident and health . favorable loss reserve development was 5 points for 2011 and was primarily attributable to $ 41 million of favorable development on property lines , partially offset by asbestos and environmental increases of $ 12 million . sirius group 's gross written premiums increased 4 % ( 6 % in local currencies ) to $ 1,179 million in 2012 from $ 1,128 million for 2011 , while net written premiums increased 3 % ( 5 % in local currencies ) to $ 948 million for 2012 from $ 916 million in 2011. these increases were primarily from the property and accident and health lines of business , partially offset by decreases in the

