Year Ended December 31,  2012 2011 2010 Cash used in investing activities (in millions)  $  118.0  $  79.8  $  64.8  Capital expenditures, excluding non-cash capital lease additions, for 2012 totaled $113.1 million, including $54.3 million at Lucky Friday and $50.4  million at Greens Creek, compared to a total of $87.5 million in 2011. 2012 capital expenditures at Lucky Friday included approximately $26.4 million  spent on rehabilitation of the Silver Shaft, compared to $35.8 million spent on the #4 Shaft project in 2011. Shaft sinking activities on the #4 Shaft were  temporarily suspended during 2012 as work on the Silver Shaft was being completed, as further discussed in  The Lucky Friday Segment  section above.  Capital expenditures were higher at Greens Creek in 2012 compared to 2011 primarily as a result of increased mine development. There was  substantially no change to our restricted cash balances in 2012 compared to a $6.2 million net decrease in 2011. We acquired stock in other mining  companies for approximately $5.8 million in 2012, with no comparable investment made in the previous year. The total $87.5 million spent on capital projects in 2011, which included $49.4 million at Lucky Friday and $36.8 million at Greens Creek, was, in the  aggregate, $20.1 million higher than total capital expenditures of $67.4 million in 2010. 2010 capital expenditures included $50.9 million spent for  projects at Lucky Friday and $16.5 million for Greens Creek. The increase in capital spending was due, in part, to advancement of various surface  infrastructure projects at Greens Creek. Our restricted cash balances for environmental bonds were reduced by $9.4 million in 2011 versus $1.5 million  in 2010. Sales of investments yielded $1.4 million in 2011 compared to $1.1 million in 2010. We expect total capital expenditures to be approximately $145 million in 2013.  Year Ended December 31,  2012 2011 2010 Cash provided by (used in) financing activities (in millions)  $  (26.5)  $  (7.2)  $  45.9  2012 cash used in financing activities included $17.2 million paid in common stock dividends, under the policy described above, and $0.6 million in  dividends to holders of our Series B Preferred Stock compared to $5.6 million and $3.8 million, respectively, in common and preferred dividends paid  in 2011. We also purchased shares of our common stock for $2.1 million in 2012, with $1.9 million of that amount related to our stock repurchase  program discussed above. Repayments of capital leases totaled $5.9 million in 2012, with the increase from 2011 resulting primarily from additions of  equipment acquired under capital leases at Greens Creek during the year. Cash provided by financing activities for 2011 included $5.8 million in proceeds from the exercise of warrants and stock options compared to $53.1  million in 2010 (see  Note 9  of  Notes to Consolidated Financial Statements  for more information). We paid cash dividends on preferred stock of $3.8  million in 2011 compared to $4.5 million in 2010, with $3.3 million of the 2011 dividends representing the last dividend on our 6.5% Mandatory  Convertible Preferred Stock, which converted to shares of our common stock in January 2011. Repayments on our capital leases were $2.9 million in  2011 versus $1.8 million in 2010.  Contractual Obligations and Contingent Liabilities and Commitments  The table below presents our fixed, non-cancelable contractual obligations and commitments primarily related to our outstanding purchase orders,  certain capital expenditures, our credit facility (as modified by amendments), and lease arrangements as of December 31, 2012 (in thousands): Payments Due By Period  Less than After 1 year  1-3 years  3-5 years  5 years  Total Purchase obligations  (1) $ 5,785 $ — $ — $ — $ 5,785 Commitment fees  (2) 1,238 1,960 — — 3,198 Contractual obligations  (3) 3,895 — — — 3,895 Capital lease commitments  (4) 6,049 10,439 1,931 — 18,419 Operating lease commitments  (5) 3,087 4,548 2,494 3,848 13,977 Coeur d’Alene Basin litigation settlement  (6) 15,000 55,499 — — 70,499 Surety maintenance fees  (6) 371 218 — — 589 Defined benefit pension plans  (7) 1,000 — — — 1,000 Supplemental executive retirement plan  (7) 322  643  676  2,437  4,078  Total contractual cash obligations  $ 36,747  $ 73,307  $ 5,101  $ 6,285  $ 121,440  (1) Consist of open purchase orders of approximately $4.5 million at the Greens Creek unit and $1.2 million at the Lucky Friday unit. Included in these amounts are approximately $4.1 million and $0.9  million related to various capital projects at the Greens Creek and Lucky Friday units, respectively. (2) In October 2009, we entered into a $60 million revolving credit agreement, which was amended several times to increase the amount available under the credit agreement to $150 million. We are  required to pay a standby fee, dependent on our leverage ratio, of between 0.825% and 1.05% per annum on undrawn amounts under the revolving credit agreement. There was no amount drawn under  the revolving credit agreement as of December 31, 2012, and the amounts above assume no amounts will be drawn during the agreement’s term. For more information on our credit facility, see Note 6  of Notes to Consolidated Financial Statements. (3) As of December 31, 2012, we were committed to approximately $3.4 million for various capital projects. Total contractual obligations at December 31, 2012 also include approximately $0.5 million for  commitments relating to non-capital items. (4) Includes scheduled capital lease payments of $15.0 million and $3.4 million (including interest), respectively, for equipment at our Greens Creek and Lucky Friday units. These leases have fixed payment  terms and contain bargain purchase options at the end of the lease periods. See Note 6 of Notes to Consolidated Financial Statements for more information. (5) We enter into operating leases in the normal course of business. Substantially all lease agreements have fixed payment terms based on the passage of time. Some lease agreements provide us with the  option to renew the lease or purchase the leased property. Our future operating lease obligations would change if we exercised these renewal options and if we entered into additional operating lease  arrangements. (6) On September 8, 2011, a Consent Decree settling the Coeur d’Alene Basin environmental litigation and related claims was entered by the U.S. District Court in Idaho. As of December 31, 2012, our  remaining obligation under the terms of the settlement include (i) $15 million in cash by October 8, 2013 and (ii) approximately $55.5 million by August 2014, in the form of quarterly payments of the  proceeds from the exercise of any outstanding Series 1 and Series 3 warrants during the quarter, with the remaining balance, if any, due in August 2014. These payments are secured by a third party  30 [ HL:10-K ] 