© PPL Corporation 2015
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Definitions of Non-GAAP Financial Measures
PPL utilizes the following non-GAAP financial measures as indicators of performance for its businesses. These measures are not intended to replace "Operating
Income," which is determined in accordance with GAAP, as an indicator of overall operating performance. Other companies may use different measures to
analyze and report their results of operations. Management believes these measures provide additional useful criteria to make investment decisions. These
performance measures are used, in conjunction with other information, by senior management and PPL's Board of Directors to manage the operations, analyze
actual results compared with budget and, in certain cases, to measure certain corporate financial goals used to determine variable compensation.
"Kentucky Gross Margins" is a single financial performance measure of the Kentucky Regulated segment's, LKE's, LG&E's and KU's electricity generation,
transmission and distribution operations as well as LKE's and LG&E's distribution and sale of natural gas. In calculating this measure, fuel, energy purchases
and certain variable costs of production (recorded as "Other operation and maintenance" on the Statements of Income) are deducted from revenues. In addition,
certain other expenses, recorded as "Other operation and maintenance" and "Depreciation" on the Statements of Income, associated with approved cost
recovery mechanisms are offset against the recovery of those expenses, which are included in revenues. These mechanisms allow for direct recovery of these
expenses and, in some cases, returns on capital investments and performance incentives. As a result, this measure represents the net revenues from the
electricity and gas operations.
"Pennsylvania Gross Delivery Margins" is a single financial performance measure of the Pennsylvania Regulated segment's and PPL Electric's electricity
delivery operations, which includes transmission and distribution activities. In calculating this measure, utility revenues and expenses associated with approved
recovery mechanisms, including energy provided as a PLR, are offset with minimal impact on earnings. Costs associated with these mechanisms are recorded
in "Energy purchases," "Other operation and maintenance," which is primarily Act 129 costs, and "Taxes, other than income," which is primarily gross receipts
tax. This performance measure includes PLR energy purchases by PPL Electric from PPL EnergyPlus, which are reflected in "PLR intersegment utility revenue
(expense)." As a result, this measure represents the net revenues from the Pennsylvania Regulated segment's and PPL Electric's electricity delivery operations.
"Unregulated Gross Energy Margins" is a single financial performance measure of the Supply segment's and PPL Energy Supply's competitive energy activities,
which are managed on a geographic basis. In calculating this measure, energy revenues, including operating revenues associated with certain businesses
classified as discontinued operations, are offset by the cost of fuel, energy purchases, certain other operation and maintenance expenses, primarily ancillary
charges, gross receipts tax, recorded in "Taxes, other than income," and operating expenses associated with certain businesses classified as discontinued
operations. This performance measure is relevant due to the volatility in the individual revenue and expense lines on the Statements of Income that comprise
"Unregulated Gross Energy Margins." This volatility stems from a number of factors, including the required netting of certain transactions with ISOs and
significant fluctuations in unrealized gains and losses. Such factors could result in gains or losses being recorded in either "Unregulated wholesale energy",
"Unregulated retail energy" or "Energy purchases" on the Statements of Income. This performance measure includes PLR revenues from energy sales to PPL
Electric by PPL EnergyPlus, which are reflected in "PLR intersegment utility revenue (expense)." "Unregulated Gross Energy Margins" excludes adjusted
energy-related economic activity, which includes the changes in fair value of positions used to economically hedge a portion of the economic value of the
competitive generation assets, full-requirement sales contracts and retail activities. This economic value is subject to changes in fair value due to market price
volatility of the input and output commodities (e.g., fuel and power) prior to the delivery period that was hedged. Adjusted energy-related economic activity
includes the ineffective portion of qualifying cash flow hedges, the monetization of certain full-requirement sales contracts and premium amortization associated
with options. Unrealized gains and losses related to this activity are deferred, with the exception of the full-requirement sales contracts that were monetized, and
included in "Unregulated Gross Energy Margins" over the delivery period that was hedged or upon realization.