RTP Illinois Rider 17

Non-Residential Real-Time Pricing Rider 17 is available to any Illinois non-residential customer being served under MidAmerican Energy's Illinois Rate Nos. 22, 41, 42, 45, 51, 53 or any non-residential delivery service rate. Customers are offered energy at the hourly wholesale locational marginal price, or LMP, for the company’s MISO delivery point.

Hourly energy charges for the following day are posted to the Market Reports section of MISO's website, www.midwestiso.org, by 4:30 p.m. To view the hourly energy charges, select a report type of Historical LMP and select Search. Next, select Day-Ahead Market LMPs for the appropriate published date. Within any given day's LMP file, the Node, Type and Value of the hourly day-ahead LMP in dollars per megawatt-hour applicable to Rider No. 17 customers is listed as MEC.MECB, Loadzone and LMP, respectively.

Note: Hourly energy charges do not include applicable RTP Basic Service, Access, Capacity or existing miscellaneous charges under the customers' normal tariff rate.