Common use of Billing Period Premium and Penalty Adjustments Clause in Contracts

Billing Period Premium and Penalty Adjustments. A. All premiums and penalties based upon the semi-monthly weighted average analysis of coal delivered to the plant during a Billing Period. B. BTU Premiums and Penalties 1. If actual Btu > [_ _ _ _] then Premium = [_ _ _ _] [_ _ _ _] ------------- [_ _ _ _] * CONFIDENTIAL MATERIAL HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION. BRACKETS AND UNDERSCORES DENOTE SUCH OMISSIONS. 2. If actual Btu < [_ _ _ _] then Penalty = [_ _ _ _] ----------------- [_ _ _ _] X. Xxx Premiums and Penalties 1. Ash premium base rate = [_ _ _ _] for each [_ _ _ _], pro rata, ash is less than [_ _ _ _] 2. Ash penalty base rate = [_ _ _ _] for each [_ _ _ _], pro rata, ash is greater than [_ _ _ _] D. Sulfur Premiums and Penalties 1. Sulfur premium base rate = [_ _ _ _] for each [_ _ _ _], pro rata, sulfur less than [_ _ _ _]. 2. Sulfur penalty base rate = [_ _ _ _] for each [_ _ _ _], pro rata, sulfur greater than [_ _ _ _]

Billing Period Premium and Penalty Adjustments. A. All premiums and penalties based upon the semi-monthly weighted average analysis of coal delivered to the plant during a Billing Period. B. BTU Premiums and Penalties 1. If actual Btu > [_ _ _ _] then Premium = (Actual Btu - [_ _ _ _] [_ _ _ _] ------------- ]) * Adjusted CBP * Tons ---------------------------- [_ _ _ _] * CONFIDENTIAL MATERIAL HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION. BRACKETS AND UNDERSCORES DENOTE SUCH OMISSIONS. 2. If actual Btu < [_ _ _ _] then Penalty = ([_ _ _ _] ----------------- Actual Btu) * Adjusted CBP * Tons -------------------- [_ _ _ _] X. Xxx Premiums and Penalties 1. Ash premium base rate = [_ _ _ _] for each [_ _ _ _], pro rata, ash is less than [_ _ _ _] 2. Ash penalty base rate = [_ _ _ _] for each [_ _ _ _], pro rata, ash is greater than [_ _ _ _] D. Sulfur Premiums and Penalties 1. Sulfur premium base rate = [_ _ _ _] for each [_ _ _ _], pro rata, sulfur less than [_ _ _ _]. 2. Sulfur penalty base rate = [_ _ _ _] for each [_ _ _ _], pro rata, sulfur greater than [_ _ _ _]

Billing Period Premium and Penalty Adjustments. A. All premiums and penalties based upon the semi-monthly weighted average analysis of coal delivered to the plant during a Billing Period. B. BTU Premiums and Penalties 1. If actual Btu > [_ _ _ _] then Premium = [_ _ _ _] (Actual Btu - [_ _ _ _]) * Adjusted CBP * Tons ---------------------- [_ _ _ _] 2. If actual Btu < [_ _ _ _] ------------- then Penalty = [_ _ _ _] ([_ _ _ _] - Actual Btu) * Adjusted CBP * Tons ---------------------- [_ _ _ _] X. Xxx Premiums and Penalties 1. If actual Ash > [_ _ _ _] then Penalty = [_ _ _ _] (Actual Ash - [_ _ _ _]) * Actual ADP (> [_ _ _ _]) * Tons ---------------------- - [_ _ _ _] 2. If actual Ash < [_ _ _ _] then Premium = [_ _ _ _] ([_ _ _ _] - Actual Ash) * Actual ADP (> [_ _ _ _]) * Tons ---------------------- - [_ _ _ _] D. Sulfur Premium 1. Premium adjustment only because sulfur in excess of [_ _ _ _]% may be rejected by Keystone * CONFIDENTIAL MATERIAL HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION. BRACKETS AND UNDERSCORES DENOTE SUCH OMISSIONS. 2. If actual Btu < [_ _ _ _] then Penalty = [_ _ _ _] ----------------- [_ _ _ _] X. Xxx Premiums and Penalties 1. Ash premium Premium base rate = [_ _ _ _] for each [_ _ _ _], pro rata, ash is less than ] sulfur below [_ _ _ _] 2. Ash penalty This base rate = is based upon a base ADP of [_ _ _ _] for each [_ _ _ _]per ton of ash, pro rataeffective January 1, ash 1991 3. If Actual ADP is greater than [_ _ _ _] D. Sulfur Premiums and Penalties 1the Base ADP (as escalated) then the base sulfur premium rate (as escalated) will be adjusted as provided in II.B.6.b. Sulfur premium base rate = [_ _ _ _] for each [_ _ _ _], pro rata, sulfur less than [_ _ _ _]. 2. Sulfur penalty base rate = [_ _ _ _] for each [_ _ _ _], pro rata, sulfur greater than [_ _ _ _]above