Approved Abbreviations List

ADCS Automated Dispatch Control System
AGMS Annual General Meeting of the Shareholders
AWP Autumn Winter Period
CI Capital investments
Company Interregional Distribution Grid Company of Centre, Open Joint-Stock Company (IDGC of Centre, JSC)
CPL Cable Power Line
CS Control Station
CSC Customer Service Centre
DC Distribution Centre
DGC Distribution Grid Company
DZ Distribution Zone
EBITDA Earnings Before Interest, Tax, Depreciation and Amortisation; indicator showing the profit of the Company before deduction of income taxes, accrued interest on loans and depreciation
EGMS Extraordinary General Meeting of the Shareholders
EPS Earnings per share
FA Fixed Assets
Free float Fraction of shares of the Company that are in free circulation; that is the shares not held by controlling or strategic shareholders
FTS of the Russian Federation Federal Tariffs Service of the Russian Federation
FZ Federal Law
GCC Grid Control Centre
HV High Voltage (110 kV)
IDGC Holding Open Joint-Stock Company Holding of Interregional Distribution Grid Companies (IDGC Holding, JSC)
IDGC of Centre, JSC Interregional Distribution Grid Company of Centre, Open Joint-Stock Company (IDGC of Centre, JSC)
IDP Innovative Development Programme
IFRS International Financial Reporting Standards
IP Investment programme
ISG Indoor switchgear
ITS Indoor Transformer Substation
ITS Industry Tariff Schedule
KPI Key Performance Indicators
kWh kilowatt-hour
MICEX Moscow Interbank Currency Exchange
MTE Motor Transport Enterprise
MUE Municipal Unitary Enterprise
MVA Megavolt-Ampere. Unit of measurement of electrical capacity
MW Megawatt
NRKU National Corporate Governance Rating
OEL Overhead Electric Line
PL Power Line
PTS Package Transformer Substation
RAB (Regulatory Asset Base) Return on invested capital method. The basic principle of the method is ensuring of return of funds invested into the Company’s assets over a specified period and the receipt of the standardized level of income
REC Regional Energy Commission
RGR Required Gross Receipts
RID Non-Profit Partnership Russian Institute of Directors
ROE Return on equity; net income of the company expressed as a percentage in relation to the equity capital
RPAE Relay Protection and Automatic Equipment
RTS Russian Trading System Stock Exchange
SA Subsidiaries and affiliates of the Company — legal entities in which the Company owns at least 20% of the voting shares, or due to the Company’s dominant interest in the authorised capital or in accordance with any concluded agreement or otherwise, the Company has the opportunity to determine any resolutions adopted by such legal entities
SO System operator
Substation Substation, electric installation designed to convert and distribute electric power
TGO Territorial Grid Organisation
TS Transformer Substation
UNEG Unified National (All-Russia) Electric Grid