4. Long-term Investments _ 1981 1980. (in thousands) © Portfolio Investment $15,529 Investment in U.S. oil and gas venture Brinco 1981 Energy Program 3,642 ae clas aes oe $22,171 Portfolio Investment The portfolio investment has a ices market value of $10,786,000 (1980- $2,995,000). The Company does not believe that the quoted market value of the long- — term investment represents a permanent decline in value. wus Investment in U.S. Oil and Gas Venture In 1981 the Company acquired an interest in a U.S. venture which is conducting a five year program for the accumulation and development of oil and gas reserves. Under the terms of the venture, the Company is committed to make contributions of U.S. $3,000,000 for the years 1981 to 1983, inclusive. The Company has the option to continue its - participation in the program for 1984 and 1985. The possible commitments arising out of the exercise of this option cannot be determined until the date of exercise. _ Brinco 1981 Energy Program The Company is the general partner of the Brinco 1981 Energy Program, an oil and gas exploration and development limited partnership which during 1981 sold 5,219 units to third parties at $1,000 per unit. Commencing in 1984, any limited partner may require the Company to offer to purchase all or any of their units at a purchase price related to the fair market value of each unit at the time of purchase. The maximum number of units that the Company is obligated to purchase in any one year is 1,000. 5. Long-term Debt A bank term loan in the amount of $70,000,000 has been received from a Canadian Chartered Bank. The loan is repayable in equal consecutive semi-annual payments commencing September 15, 1983 and ending March 15, 1991 (subject to the productive life of the Cassiar open 28 $3,059 by a first fixed and floating charc $3,059 : Pit) The loan bears interest a - various money market rates. time to time for Bankers acce ta 4 prime Canadian or U.S. dollar L.LB.O.R. loans. The indebtedness assets of the Cassiar Resources g Brinco Mining Limited. _ Interest on ahenn dene e _ 1981 amounted to $7,277,000. costs of $306,000 were capitali development and peepee expenditures in 1981. . 6. Income and Mining Taxes and Extraordinary Item — As a result of the amalgamation Brinco Mining Limited and Cassiar — Resources Limited it was determine there would be sufficient taxable the amalgamated company to ful the unclaimed income tax deducti Brinco Mining Limited, the benefit was previously not recorded. Accordingly tax benefit of $1,100,000 relating to: unclaimed deductions has been recog _in the accounts of the Company: as an extraordinary item. The 1980 extraordinary item arose a reduction in income taxes due to th utilization of unclaimed deductions ex in prior years and the application of prior years’ losses. The Company and certain subsidiaries have losses available for carry- forward which no recognition is given tothe possible future income tax benefits in t accounts. These losses approximate $3,700,000 and are available to offset . future income for tax purposes and expi in taxation years to 1986 in Canada and — 1996 in the United States. The tax ben resulting from the utilization of these losses will be recognized as an extraordinary item in the years of utilization. In addition, the Company and subsidiaries have unclaimed earned depletion allowances which are available deduction from future resource profits. Deferred income taxes relate primarily to Brinco Mining Limited and represent the tax reductions for expenditures on mine development, exploration and pepe deducted in the determination of taxable - income but not yet charged to earnings.