(a)

(b)

(c)

(d)

(e)

Issuer

Description of Investment

Cost

Current Value

*

OGE Energy Corp.

Common stock, $0.01 par value

**

$

134,020,028

American Funds

EuroPacific Growth Fund (Class R6), mutual fund

**

17,308,439

American Funds

American Mutual Fund (Class R6), mutual fund

**

15,254,875

Conestoga

Conestoga Small Cap Stock Fund, mutual fund

**

4,957,117

*

Fidelity Mgmt. Trust Co.

Blue Chip Growth Fund (Class K6), mutual fund

**

109,602,344

*

Fidelity Mgmt. Trust Co.

BrokerageLink®, self-directed brokerage account

**

59,786,588

*

Fidelity Mgmt. Trust Co.

Contrafund (Class K6), mutual fund

**

103,655,237

*

Fidelity Mgmt. Trust Co.

Freedom K® Income Fund (Class K6), mutual fund

**

3,840

*

Fidelity Mgmt. Trust Co.

Freedom K® Retirement Fund (Class K6), mutual fund

**

3,551

American Funds

2010 Target Date Retirement Fund (Class R6), mutual fund

**

1,803,997

American Funds

2015 Target Date Retirement Fund (Class R6), mutual fund

**

1,841,698

American Funds

2020 Target Date Retirement Fund (Class R6), mutual fund

**

6,824,335

American Funds

2025 Target Date Retirement Fund (Class R6), mutual fund

**

11,867,908

American Funds

2030 Target Date Retirement Fund (Class R6), mutual fund

**

30,067,794

American Funds

2035 Target Date Retirement Fund (Class R6), mutual fund

**

31,961,720

American Funds

2040 Target Date Retirement Fund (Class R6), mutual fund

**

37,788,677

American Funds

2045 Target Date Retirement Fund (Class R6), mutual fund

**

34,760,691

American Funds

2050 Target Date Retirement Fund (Class R6), mutual fund

**

34,074,073

American Funds

2055 Target Date Retirement Fund (Class R6), mutual fund

**

26,357,129

American Funds

2060 Target Date Retirement Fund (Class R6), mutual fund

**

14,796,899

American Funds

2065 Target Date Retirement Fund (Class R6), mutual fund

**

6,216,818

American Funds

2070 Target Date Retirement Fund (Class R6), mutual fund

**

246,568

*

Fidelity Mgmt. Trust Co.

Low-Priced Stock Fund (Class K), mutual fund

**

10,719,550

*

Fidelity Mgmt. Trust Co.

Managed Income Portfolio II, collective trust

**

21,948,629

*

Fidelity Mgmt. Trust Co.

Retirement Money Market, interest-bearing cash

**

172,172

*

Fidelity Mgmt. Trust Co.

U.S. Bond Index Fund, mutual fund

**

13,935,831

*

Fidelity Mgmt. Trust Co.

Small Cap Index Fund, mutual fund

**

770,852

*

Fidelity Mgmt. Trust Co.

Mid Cap Index Fund, mutual fund

**

14,568,176

*

Fidelity Mgmt. Trust Co.

500 Index Fund, mutual fund

**

73,994,931

*

Fidelity Mgmt. Trust Co.

Global ex U.S. Index Fund, mutual fund

**

31,210,291

Glenmede

Small Cap Equity Portfolio (Institutional Class), mutual fund

**

9,161,557

Loomis Sayles

Core Plus Bond Fund, mutual fund

**

18,770,099

T. Rowe Price

Mid Cap Growth Fund, mutual fund

**

11,513,855

Touchstone

Large Cap Fund, mutual fund

**

19,056,586

Victory

Sycamore Established Value Fund (Class R6), mutual fund

**

8,341,663

*

Participants

Notes receivable from participants, with various maturity dates and interest rates ranging from 4.25% to 9.50%

—

13,072,943

Total investments and notes receivable from participants

$

930,437,461