21 in february 2011 , the corporation completed the sale of its interests in certain natural gas producing assets located in the united kingdom north sea for cash proceeds of $ 359 million , after post-closing adjustments , resulting in a pre-tax gain of $ 343 million ( $ 310 million after income taxes ) . in august 2011 , the corporation completed the sale of its interests in the snorre field ( hess 1 % ) , offshore norway and the cook field ( hess 28 % ) in the united kingdom north sea for cash proceeds of $ 131 million , after post-closing adjustments . these disposals resulted in non-taxable gains totaling $ 103 million . status of libyan operations in response to civil unrest in libya , a number of measures were taken by the international community in the first quarter of 2011 , including the imposition of economic sanctions . production at the waha field was suspended in the first quarter of 2011. as a consequence of the civil unrest and the sanctions , the corporation delivered force majeure notices to the libyan government relating to the agreements covering its exploration and production interests in order to protect its rights while it was temporarily prevented from fulfilling its obligations and benefiting from the rights granted by those agreements . production at the waha field restarted during the fourth quarter of 2011 at levels that were significantly lower than those prior to the civil unrest . the corporation 's libyan production averaged 23,000 barrels of oil equivalent per day ( boepd ) for the full year of 2010 and 4,000 boepd for 2011. the force majeure covering the corporation 's production interests was withdrawn at the end of the fourth quarter of 2011 , as the economic sanctions were lifted . the force majeure covering the corporation 's offshore exploration interests remained in place at year-end but is expected to be withdrawn in 2012. the corporation had proved reserves of 166 million barrels of oil equivalent in libya at december 31 , 2011. at december 31 , 2011 , the net book value of the corporation 's exploration and production assets in libya was approximately $ 500 million . marketing and refining the corporation 's strategy for the m & r segment is to deliver strong operating performance and generate free cash flow . in january 2012 , hovensa announced a decision to shut down its refinery in st. croix , u.s. virgin islands and operate the complex as an oil storage terminal . results from m & r activities amounted to losses of $ 584 million in 2011 , losses of $ 231 million in 2010 and earnings of $ 127 million in 2009. refining operations generated losses of $ 728 million in 2011 , $ 445 million in 2010 and $ 87 million in 2009. refining results include after-tax charges of $ 525 million in 2011 and $ 289 million in 2010 related to the corporation 's investment in hovensa . marketing earnings were $ 185 million in 2011 , $ 215 million in 2010 and $ 168 million in 2009. liquidity and capital and exploratory expenditures net cash provided by operating activities was $ 4,984 million in 2011 , $ 4,530 million in 2010 and $ 3,046 million in 2009. at december 31 , 2011 , cash and cash equivalents totaled $ 351 million compared with $ 1,608 million at december 31 , 2010 , principally due to increased capital expenditures . total debt was $ 6,057 million at december 31 , 2011 and $ 5,583 million at december 31 , 2010. the corporation 's debt to capitalization ratio at december 31 , 2011 was 24.6 % compared with 24.9 % at the end of 2010. capital and exploratory expenditures were as follows for the years ended december 31 : replace_table_token_14_th 22 the corporation anticipates investing $ 6.8 billion in capital and exploratory expenditures in 2012 , substantially all of which is targeted for e & p operations . consolidated results of operations the after-tax income ( loss ) by major operating activity is summarized below for the years ended december 31 : replace_table_token_15_th the following table summarizes , on an after-tax basis , items of income ( expense ) that are included in net income and affect comparability between periods . the items in the table below are explained on pages 27 through 30. replace_table_token_16_th in the following discussion and elsewhere in this report , the financial effects of certain transactions are disclosed on an after-tax basis . management reviews segment earnings on an after-tax basis and uses after-tax amounts in its review of variances in segment earnings . management believes that after-tax amounts are a preferable method of explaining variances in earnings , since they show the entire effect of a transaction rather than only the pre-tax amount . after-tax amounts are determined by applying the income tax rate in each tax jurisdiction to pre-tax amounts . 23 comparison of results exploration and production following is a summarized income statement of the corporation 's e & p operations for the years ended december 31 : replace_table_token_17_th * amounts differ from e & p operating revenues in note 19 , segment information in the notes to the consolidated financial statements primarily due to the exclusion of sales of hydrocarbons purchased from third parties . after considering the e & p items affecting comparability of earnings between periods in the table on page 27 , the remaining changes in e & p earnings are primarily attributable to changes in selling prices , production and sales volumes , operating costs , exploration expenses , income taxes and foreign exchange , as discussed below . selling prices : higher average selling prices increased e & p revenues by approximately $ 2,400 million in 2011 compared with 2010. higher average selling prices increased e & p revenues by approximately $ 1,775 million in 2010 compared with 2009. story_separator_special_tag as a result of a strategic assessment in 2010 , hovensa decided to lower its crude oil refining capacity to 350,000 from 500,000 barrels per day in 2011. the corporation performed an impairment analysis and concluded that its investment had experienced an other than temporary decline in value . for discussion of the impairment charge , see note 5 , hovensa l.l.c . joint venture in the notes to the consolidated financial statements . excluding items affecting comparability discussed above , the corporation 's share of hovensa 's results was a loss of $ 198 million in 2011 , $ 137 million in 2010 ( $ 222 million before income taxes ) and $ 141 million ( $ 230 million before income taxes ) in 2009. u.s. virgin island income taxes have not been recorded on the corporation 's share of hovensa 's 2011 results due to cumulative operating losses . these results reflect lower refining margins , higher fuel costs and lower sales volumes . during 2010 , the fluid catalytic cracking unit at hovensa was shut down for a scheduled turnaround . the corporation 's share of hovensa 's turnaround expenses was approximately $ 20 million after income taxes . other after-tax refining results , principally from port reading operations , were a loss of $ 5 million in 2011 , a loss of $ 19 million in 2010 and income of $ 42 million in 2009. during 2010 , the port reading refining facility was shut down for 41 days for a scheduled turnaround . the after-tax expenses for the port reading turnaround were approximately $ 30 million . the turnaround expenses are included in other operating expenses in the statement of consolidated income . the following table summarizes refinery utilization rates for the years ended december 31 : replace_table_token_22_th * hovensa 's crude oil refining capacity was reduced to 350,000 from 500,000 barrels per day in the first half of 2011. marketing : marketing operations , which consist principally of retail gasoline and energy marketing activities , generated income of $ 185 million in 2011 , $ 215 million in 2010 and $ 168 million in 2009. the decrease in earnings in 2011 compared with 2010 was due to lower sales volumes and lower margins . the increase in earnings in 2010 compared with 2009 reflected improved margins from the weak economic environment in 2009. the table below summarizes marketing sales volumes for the years ended december 31 : replace_table_token_23_th the corporation has a 50 % voting interest in a consolidated partnership that trades energy commodities and energy derivatives . the corporation also takes trading positions for its own account . the corporation 's after-tax results from trading activities , including its share of the results of the trading partnership , amounted to a loss of $ 41 million in 2011 , a loss of $ 1 million in 2010 and earnings of $ 46 million in 2009. marketing expenses increased in 2011 compared with 2010 reflecting higher retail credit card fees , maintenance , environmental and employee related expenses . marketing expenses increased in 2010 compared with 2009 , principally reflecting changes in retail credit card fees . 29 the corporation 's future m & r earnings may be impacted by supply and demand factors , volatility in margins , credit risks , the effects of weather , competitive industry conditions , political risk , environmental risk and catastrophic risk . for a more comprehensive description of the risks that may affect the corporation 's m & r business , see item 1a . risk factors related to our business and operations . corporate the following table summarizes corporate expenses for the years ended december 31 : replace_table_token_24_th excluding items affecting comparability between periods , net corporate expenses were comparable in 2011 and 2010. the increase in net corporate expenses in 2010 compared with 2009 primarily reflects higher employee and insurance costs and bank facility fees . after-tax corporate expenses in 2012 are estimated to be in the range of $ 160 million to $ 170 million . in 2010 , the corporation recorded a pre-tax charge of $ 11 million ( $ 7 million after income taxes ) related to the repurchase of the remaining $ 116 million of fixed-rate public notes that were scheduled to mature in 2011. in 2009 , the corporation recorded pre-tax charges of $ 54 million ( $ 34 million after income taxes ) related to the repurchase of $ 546 million in fixed-rate public notes that were scheduled to mature in 2011 and $ 42 million ( $ 26 million after income taxes ) relating to retirement benefits and employee severance costs . the pre-tax charges in connection with the debt repurchases were recorded in other , net , and the pre-tax amounts of the retirement benefits and severance costs were recorded in general and administrative expenses in the statement of consolidated income . interest interest expense was as follows for the years ended december 31 : replace_table_token_25_th the increase in interest expense in 2011 compared to 2010 primarily reflects higher average borrowings following the issuance of $ 1.25 billion of 30-year fixed-rate public notes in august 2010. capitalized interest increased in 2011 due to the sanctioning of the tubular bells project . interest expense was comparable in 2010 and 2009. after-tax interest expense in 2012 is expected to be in the range of $ 245 million to $ 255 million . consolidated sales and cost of products sold sales and other operating revenues totaled $ 38,466 million in 2011 , $ 33,862 million in 2010 and $ 29,614 million in 2009. the increase in sales and other operating revenues of 14 % year-on-year from 2009 to 2011 is primarily due to higher crude oil and refined petroleum product selling prices , partially offset by lower crude oil and refined petroleum product sales volumes . 30 the increase in cost of products sold each year principally reflects higher

cash flows the following table sets forth a summary of the corporation 's cash flows for the years ended december 31 : replace_table_token_27_th operating activities : net cash provided by operating activities amounted to $ 4,984 million in 2011 compared with $ 4,530 million in 2010 , reflecting higher operating earnings partially offset by a period over period increase in the use of cash from changes in operating assets and liabilities of $ 412 million . operating cash flow increased to $ 4,530 million in 2010 from $ 3,046 million in 2009 principally reflecting higher earnings . investing activities : the following table summarizes the corporation 's capital expenditures for the years ended december 31 : replace_table_token_28_th capital expenditures in 2011 included acquisitions of approximately $ 800 million for 185,000 net acres in the utica shale play in eastern ohio , $ 214 million for interests in two blocks in the kurdistan region of iraq and $ 116 million for an additional 4 % interest in the south arne field in denmark . capital expenditures in 2010 included acquisitions of 167,000 net acres in the bakken oil shale play in north dakota from trz energy , llc for $ 1,075 million in cash and additional interests of 8 % and 13 % in the valhall and hod fields , respectively , for $ 507 million in cash . capital expenditures in 2009 included acquisitions of $ 188 million for unproved leaseholds and $ 74 million for a 50 % interest in blocks pm301 and pm302 in malaysia , which are adjacent to block a-18 of the jda . in addition , proceeds from asset sales were $ 490 million in 2011 and $ 183 million in 2010 . 31 financing activities : during 2011 , net proceeds from borrowings on available credit facilities were $ 422 million .


 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 flows the following table sets forth a summary of the corporation 's cash flows for the years ended december 31 : replace_table_token_27_th operating activities : net cash provided by operating activities amounted to $ 4,984 million in 2011 compared with $ 4,530 million in 2010 , reflecting higher operating earnings partially offset by a period over period increase in the use of cash from changes in operating assets and liabilities of $ 412 million . operating cash flow increased to $ 4,530 million in 2010 from $ 3,046 million in 2009 principally reflecting higher earnings . investing activities : the following table summarizes the corporation 's capital expenditures for the years ended december 31 : replace_table_token_28_th capital expenditures in 2011 included acquisitions of approximately $ 800 million for 185,000 net acres in the utica shale play in eastern ohio , $ 214 million for interests in two blocks in the kurdistan region of iraq and $ 116 million for an additional 4 % interest in the south arne field in denmark . capital expenditures in 2010 included acquisitions of 167,000 net acres in the bakken oil shale play in north dakota from trz energy , llc for $ 1,075 million in cash and additional interests of 8 % and 13 % in the valhall and hod fields , respectively , for $ 507 million in cash . capital expenditures in 2009 included acquisitions of $ 188 million for unproved leaseholds and $ 74 million for a 50 % interest in blocks pm301 and pm302 in malaysia , which are adjacent to block a-18 of the jda . in addition , proceeds from asset sales were $ 490 million in 2011 and $ 183 million in 2010 . 31 financing activities : during 2011 , net proceeds from borrowings on available credit facilities were $ 422 million .
```    
 Suspicious Activity Report : 21 in february 2011 , the corporation completed the sale of its interests in certain natural gas producing assets located in the united kingdom north sea for cash proceeds of $ 359 million , after post-closing adjustments , resulting in a pre-tax gain of $ 343 million ( $ 310 million after income taxes ) . in august 2011 , the corporation completed the sale of its interests in the snorre field ( hess 1 % ) , offshore norway and the cook field ( hess 28 % ) in the united kingdom north sea for cash proceeds of $ 131 million , after post-closing adjustments . these disposals resulted in non-taxable gains totaling $ 103 million . status of libyan operations in response to civil unrest in libya , a number of measures were taken by the international community in the first quarter of 2011 , including the imposition of economic sanctions . production at the waha field was suspended in the first quarter of 2011. as a consequence of the civil unrest and the sanctions , the corporation delivered force majeure notices to the libyan government relating to the agreements covering its exploration and production interests in order to protect its rights while it was temporarily prevented from fulfilling its obligations and benefiting from the rights granted by those agreements . production at the waha field restarted during the fourth quarter of 2011 at levels that were significantly lower than those prior to the civil unrest . the corporation 's libyan production averaged 23,000 barrels of oil equivalent per day ( boepd ) for the full year of 2010 and 4,000 boepd for 2011. the force majeure covering the corporation 's production interests was withdrawn at the end of the fourth quarter of 2011 , as the economic sanctions were lifted . the force majeure covering the corporation 's offshore exploration interests remained in place at year-end but is expected to be withdrawn in 2012. the corporation had proved reserves of 166 million barrels of oil equivalent in libya at december 31 , 2011. at december 31 , 2011 , the net book value of the corporation 's exploration and production assets in libya was approximately $ 500 million . marketing and refining the corporation 's strategy for the m & r segment is to deliver strong operating performance and generate free cash flow . in january 2012 , hovensa announced a decision to shut down its refinery in st. croix , u.s. virgin islands and operate the complex as an oil storage terminal . results from m & r activities amounted to losses of $ 584 million in 2011 , losses of $ 231 million in 2010 and earnings of $ 127 million in 2009. refining operations generated losses of $ 728 million in 2011 , $ 445 million in 2010 and $ 87 million in 2009. refining results include after-tax charges of $ 525 million in 2011 and $ 289 million in 2010 related to the corporation 's investment in hovensa . marketing earnings were $ 185 million in 2011 , $ 215 million in 2010 and $ 168 million in 2009. liquidity and capital and exploratory expenditures net cash provided by operating activities was $ 4,984 million in 2011 , $ 4,530 million in 2010 and $ 3,046 million in 2009. at december 31 , 2011 , cash and cash equivalents totaled $ 351 million compared with $ 1,608 million at december 31 , 2010 , principally due to increased capital expenditures . total debt was $ 6,057 million at december 31 , 2011 and $ 5,583 million at december 31 , 2010. the corporation 's debt to capitalization ratio at december 31 , 2011 was 24.6 % compared with 24.9 % at the end of 2010. capital and exploratory expenditures were as follows for the years ended december 31 : replace_table_token_14_th 22 the corporation anticipates investing $ 6.8 billion in capital and exploratory expenditures in 2012 , substantially all of which is targeted for e & p operations . consolidated results of operations the after-tax income ( loss ) by major operating activity is summarized below for the years ended december 31 : replace_table_token_15_th the following table summarizes , on an after-tax basis , items of income ( expense ) that are included in net income and affect comparability between periods . the items in the table below are explained on pages 27 through 30. replace_table_token_16_th in the following discussion and elsewhere in this report , the financial effects of certain transactions are disclosed on an after-tax basis . management reviews segment earnings on an after-tax basis and uses after-tax amounts in its review of variances in segment earnings . management believes that after-tax amounts are a preferable method of explaining variances in earnings , since they show the entire effect of a transaction rather than only the pre-tax amount . after-tax amounts are determined by applying the income tax rate in each tax jurisdiction to pre-tax amounts . 23 comparison of results exploration and production following is a summarized income statement of the corporation 's e & p operations for the years ended december 31 : replace_table_token_17_th * amounts differ from e & p operating revenues in note 19 , segment information in the notes to the consolidated financial statements primarily due to the exclusion of sales of hydrocarbons purchased from third parties . after considering the e & p items affecting comparability of earnings between periods in the table on page 27 , the remaining changes in e & p earnings are primarily attributable to changes in selling prices , production and sales volumes , operating costs , exploration expenses , income taxes and foreign exchange , as discussed below . selling prices : higher average selling prices increased e & p revenues by approximately $ 2,400 million in 2011 compared with 2010. higher average selling prices increased e & p revenues by approximately $ 1,775 million in 2010 compared with 2009. story_separator_special_tag as a result of a strategic assessment in 2010 , hovensa decided to lower its crude oil refining capacity to 350,000 from 500,000 barrels per day in 2011. the corporation performed an impairment analysis and concluded that its investment had experienced an other than temporary decline in value . for discussion of the impairment charge , see note 5 , hovensa l.l.c . joint venture in the notes to the consolidated financial statements . excluding items affecting comparability discussed above , the corporation 's share of hovensa 's results was a loss of $ 198 million in 2011 , $ 137 million in 2010 ( $ 222 million before income taxes ) and $ 141 million ( $ 230 million before income taxes ) in 2009. u.s. virgin island income taxes have not been recorded on the corporation 's share of hovensa 's 2011 results due to cumulative operating losses . these results reflect lower refining margins , higher fuel costs and lower sales volumes . during 2010 , the fluid catalytic cracking unit at hovensa was shut down for a scheduled turnaround . the corporation 's share of hovensa 's turnaround expenses was approximately $ 20 million after income taxes . other after-tax refining results , principally from port reading operations , were a loss of $ 5 million in 2011 , a loss of $ 19 million in 2010 and income of $ 42 million in 2009. during 2010 , the port reading refining facility was shut down for 41 days for a scheduled turnaround . the after-tax expenses for the port reading turnaround were approximately $ 30 million . the turnaround expenses are included in other operating expenses in the statement of consolidated income . the following table summarizes refinery utilization rates for the years ended december 31 : replace_table_token_22_th * hovensa 's crude oil refining capacity was reduced to 350,000 from 500,000 barrels per day in the first half of 2011. marketing : marketing operations , which consist principally of retail gasoline and energy marketing activities , generated income of $ 185 million in 2011 , $ 215 million in 2010 and $ 168 million in 2009. the decrease in earnings in 2011 compared with 2010 was due to lower sales volumes and lower margins . the increase in earnings in 2010 compared with 2009 reflected improved margins from the weak economic environment in 2009. the table below summarizes marketing sales volumes for the years ended december 31 : replace_table_token_23_th the corporation has a 50 % voting interest in a consolidated partnership that trades energy commodities and energy derivatives . the corporation also takes trading positions for its own account . the corporation 's after-tax results from trading activities , including its share of the results of the trading partnership , amounted to a loss of $ 41 million in 2011 , a loss of $ 1 million in 2010 and earnings of $ 46 million in 2009. marketing expenses increased in 2011 compared with 2010 reflecting higher retail credit card fees , maintenance , environmental and employee related expenses . marketing expenses increased in 2010 compared with 2009 , principally reflecting changes in retail credit card fees . 29 the corporation 's future m & r earnings may be impacted by supply and demand factors , volatility in margins , credit risks , the effects of weather , competitive industry conditions , political risk , environmental risk and catastrophic risk . for a more comprehensive description of the risks that may affect the corporation 's m & r business , see item 1a . risk factors related to our business and operations . corporate the following table summarizes corporate expenses for the years ended december 31 : replace_table_token_24_th excluding items affecting comparability between periods , net corporate expenses were comparable in 2011 and 2010. the increase in net corporate expenses in 2010 compared with 2009 primarily reflects higher employee and insurance costs and bank facility fees . after-tax corporate expenses in 2012 are estimated to be in the range of $ 160 million to $ 170 million . in 2010 , the corporation recorded a pre-tax charge of $ 11 million ( $ 7 million after income taxes ) related to the repurchase of the remaining $ 116 million of fixed-rate public notes that were scheduled to mature in 2011. in 2009 , the corporation recorded pre-tax charges of $ 54 million ( $ 34 million after income taxes ) related to the repurchase of $ 546 million in fixed-rate public notes that were scheduled to mature in 2011 and $ 42 million ( $ 26 million after income taxes ) relating to retirement benefits and employee severance costs . the pre-tax charges in connection with the debt repurchases were recorded in other , net , and the pre-tax amounts of the retirement benefits and severance costs were recorded in general and administrative expenses in the statement of consolidated income . interest interest expense was as follows for the years ended december 31 : replace_table_token_25_th the increase in interest expense in 2011 compared to 2010 primarily reflects higher average borrowings following the issuance of $ 1.25 billion of 30-year fixed-rate public notes in august 2010. capitalized interest increased in 2011 due to the sanctioning of the tubular bells project . interest expense was comparable in 2010 and 2009. after-tax interest expense in 2012 is expected to be in the range of $ 245 million to $ 255 million . consolidated sales and cost of products sold sales and other operating revenues totaled $ 38,466 million in 2011 , $ 33,862 million in 2010 and $ 29,614 million in 2009. the increase in sales and other operating revenues of 14 % year-on-year from 2009 to 2011 is primarily due to higher crude oil and refined petroleum product selling prices , partially offset by lower crude oil and refined petroleum product sales volumes . 30 the increase in cost of products sold each year principally reflects higher

