Common use of Extension Beyond Primary Term By Diligent Development, Financial Investment and Minimum Royalty Clause in Contracts

Extension Beyond Primary Term By Diligent Development, Financial Investment and Minimum Royalty. In the absence of actual production in paying quantities as set forth in paragraph 3.2, Extension Beyond Primary Term, this Lease shall remain in effect beyond the primary term only if the Lessee is engaged in diligent operations, exploration or development activity, as well as making a substantial financial investment, which in Lessor’s sole discretion is calculated to advance development or production of leased substances from the Leased Premises or lands constituting a mining unit as approved by the Director which includes the Leased Premises, and Lessee pays the annual minimum royalty set forth in Paragraph 3.4, Minimum Royalty, in advance, on or before the anniversary date of the date first written hereinabove.

Extension Beyond Primary Term By Diligent Development, Financial Investment and Minimum Royalty. In the absence of actual production in paying quantities as set forth in paragraph 3.2, Extension Beyond Primary Term, this Lease shall remain in effect beyond the primary term only if the Lessee is engaged in diligent operations, exploration or development activity, as well as making a substantial financial investment, which in Lessor’s sole discretion is calculated to advance development or production of leased substances from the Leased Premises or lands constituting a mining logical geothermal unit as approved by the Director which includes the Leased Premises, and Lessee pays the annual minimum royalty set forth in Paragraph 3.4, Minimum Royalty, in advance, on or before the anniversary date of the date first written hereinabove.. Geothermal Energy Lease 4/1/07 Page No. 4

Extension Beyond Primary Term By Diligent Development, Financial Investment and Minimum Royalty. In the absence of actual production in paying quantities as set forth in paragraph 3.2, Extension Beyond Primary Term, this Lease shall remain in effect beyond the primary term only if the Lessee is engaged in diligent operations, exploration or development activity, as well as making a substantial financial investment, which in Lessor’s sole discretion is calculated to advance development or production of leased substances from the Leased Premises or lands constituting a mining unit as approved by the Director which includes the Leased Premises, and Lessee pays the annual minimum royalty set forth in Paragraph 3.4, Minimum Royalty, in advance, on or before the anniversary date of the date first written hereinabove.. Generic Mineral Lease Form 6/22/05 Page No. 4

Extension Beyond Primary Term By Diligent Development, Financial Investment and Minimum Royalty. In the absence of actual production in paying quantities as set forth in paragraph 3.2, Extension Beyond Primary Term, this Lease shall remain in effect beyond the primary term only if the Lessee is engaged in diligent operations, exploration or development activity, as well as making a substantial financial investment, which in Lessor’s sole discretion is calculated to advance development or production of leased substances from the Leased Premises or lands constituting a mining logical geothermal unit as approved by the Director which includes the Leased Premises, and Lessee pays the annual minimum royalty set forth in Paragraph 3.4, Minimum Royalty, in advance, on or before the anniversary date of the date first written hereinabove.. Geothermal Energy Lease 4/1/07