1. 2017 Attachment O Projection Stakeholder Meeting
Ameren Illinois Company
October 5, 2016

2. Purpose is to review 2017 Projected Transmission Rate Calculations
Agenda
Purpose is to review 2017 Projected Transmission Rate Calculations
Protocol Timeline
AIC 2017 Projected Calculations
Attachment O
Attachment GG
Attachment MM
2017 AMIL Pricing Zone NITS Charge
2017 MVP Spend
Significant Projects Projected to be Placed in Service in 2017
ROE Complaint Cases
Impact of ROE Order issued September 28, 2016

3. (Forward-Looking Protocols)
Protocol timeline
Date
Schedule
(Forward-Looking Protocols)
June 1
Posting of annual true-up for prior year
September 1
Deadline for annual true-up meeting
Posting of net projected revenue requirement for following year
October 15
Deadline for annual projected rate meeting
November 1
Deadline for joint meeting on regional cost-shared projects
March 15
Transmission Owners submit informational filing to the Commission

4. AIC Revenue Requirement
Projected 2016 vs Projected 2017

5. Aic 2017 PROJECTED rate base
Page.Line
Jan-16
Jan-17
Change
Percent
2.6
Total Gross Plant
1,938,342,678
2,296,555,948
358,213,270
18%
2.12
Total Accum Depreciation
502,413,116
525,122,593
22,709,477 5%
2.18
TOTAL NET PLANT
1,435,929,562
1,771,433,355
335,503,793
23%
2.18a
100% CWIP RECOVERY
42,507,018
8,709,958
-33,797,061
N/A
ADJUSTMENTS TO RATE BASE
2.20
Account No. 282
-388,199,066
-484,788,908
-96,589,843
25%
2.21
Account No. 283
-7,813,781
-10,255,343
-2,441,562
31%
2.22
Account No. 190
54,136,112
49,214,591
-4,921,521
-9%
2.23
Account No. 255
2.25
Land Held for Future Use
2,363,868
2,484,054
120,186
2.26
CWC
5,834,598
6,210,229
375,631 6%
2.27
Materials & Supplies
12,101,199
13,677,702
1,576,503
13%
2.28
Prepayments
1,491,166
1,638,369
147,203
10%
TOTAL ADJUSTMENTS
-320,085,904
-421,819,306
-101,733,402
32%
2.30
TOTAL RATE BASE
1,158,350,676
1,358,324,006
199,973,330
17%

6. Aic 2017 PROJECTED expenses
Page.Line
Jan-16
Jan-17
Change
Percent
O&M
3.1
Transmission
47,078,280
59,336,832
12,258,552
26%
3.1a
Less LSE Expenses
1,495,616
1,703,652
208,036
14%
3.2
Less Account 565
13,231,075
23,725,630
10,494,556
79%
3.3
A&G
14,176,890
15,413,506
1,236,617 9%
3.4
Less FERC Annual Fees
N/A
3.5
Less EPRI, ect.
362,566
243,164
-119,401
-33%
3.5a
Plus Trans. Reg. Comm. Exp
510,870
603,944
93,074
18%
3.8
TOTAL O&M
46,676,783
49,681,835
3,005,052 6%
3.12
TOTAL DEPRECIATION
35,645,227
42,958,714
7,313,487
21%
TAXES
3.13
Payroll
892,102
893,601
1,499 0%
3.16
Property
1,216,554
1,364,211
147,658
12%
3.18
Other
421,926
481,037
59,111
3.27
Income Taxes
49,941,009
58,177,523
8,236,513
16%
TOTAL TAXES
52,471,591
60,916,372
8,444,781
TOTAL EXPENSES
134,793,601
153,556,921
18,763,320

7. Aic 2017 PROJECTED Capital structure
Capital Structure Projection
Page.Line $ %
Cost
Weighted
4.27
Long Term Debt
2,436,021,670
46.88%
0.0570
0.0267
4.28
Preferred Stock
61,721,350
1.19%
0.0490
0.0006
4.29
Common Stock
2,698,856,348
51.94%
0.1238
0.0643
4.30
Total
5,196,599,368
100.0%
0.0916
Capital Structure Projection
2,665,883,538
47.30%
0.0550
0.0260
1.10%
0.0005
2,908,148,803
51.60%
0.0639
5,635,753,692
0.0904
Change in Return %

8. Aic 2017 PROJECTED total revenue requirement
Page.Line
Jan-16
Jan-17
Change
Percent
2.30
TOTAL RATE BASE
1,158,350,676
1,358,324,006
199,973,330
17%
4.30
Rate of Return
9.16%
9.04%
-0.12%
-1%
3.28
Return
106,113,678
122,849,733
16,736,056
16%
Total Expenses
134,793,601
153,556,921
18,763,320
14%
3.29
TOTAL GROSS REV. REQ.
240,907,279
276,406,655
35,499,375
15%
3.30
Less ATT. GG Adjustment
14,686,344
17,578,897
2,892,552
20%
3.30a
Less ATT. MM Adjustment
11,861,659
15,287,623
3,425,964
29%
3.31
GROSS REV. REQ. UNDER ATT. O
214,359,276
243,540,135
29,180,859

9. Aic 2017 PROJECTED true up & Net revenue requirement
Page.Line
Jan-16
Jan-17
Change
Percent
1.1
Gross Revenue Requirement
214,359,276
243,540,135
29,180,859
14%
1.6
Total Revenue Credits
13,373,302
13,682,453
309,151 2%
1.6a
Historic Year Actual ATRR
153,102,512
165,555,788
12,453,276 8%
1.6b
Projected ATRR from Prior Year
143,000,924
159,478,984
16,478,060
12%
1.6c
Prior Year ATRR True-Up
10,101,588
6,076,804
-4,024,784
-40%
1.6d
Prior Year Divisor True-Up
-3,254,838
3,886,829
7,141,667
-219%
1.6e
Interest on Prior Year True-Up
43,217
65,282
22,065
51%
1.7a
NET REVENUE REQUIREMENT
207,875,940
239,886,596
32,010,656
15%
1.7b
Prairie Power
1.7
AIC Adjusted Revenue Requirement

10. Aic 2015 attachment o true up
Ameren Illinois Company - AIC
Attachment O Revenue Requirement True-Up (WP 14)
Year Ended December 31, 2015
Attachment O
Net Actual Revenue Requirement (Attachment O, Pg 1, Line 7a)
$ ,555,788
Net Projected Revenue Requirement (2015 Projected Attachment O, Pg 1, Line 7a)
$ ,478,984
Under/(Over) Recovery of Net Revenue Requirement
$ ,076,804
Historic Year Actual Divisor for Pricing Zone (Attachment O, Pg 1, Line 15)
6,922,407
Projected Year Divisor for Pricing Zone (2015 Projected Attachment O, Pg 1, Line 15)
7,095,335
Difference between Historic & Projected Yr Divisor
172,928
Prior Year Projected Annual Cost ($ per kw per yr) $
Prior Year Under/(Over) Divisor True-up
$ ,886,829
Total Under/(Over) Recovery
$ ,963,633
Monthly Interest Rate (updated through July, 2016)
0.0273%
Interest For 24 Months
$ ,282
Total Under/(Over) Recovery Including Interest
$ ,028,915

11. Aic 2017 PROJECTED attachment gg
AIC Attachment GG Calculation - Page 1
(1)
(2)
(3)
(4)
Attachment O
Line
Page, Line, Col.
Transmission
Allocator
No. 1
Gross Transmission Plant - Total
Attach O, p 2, line 2 col 5 (Note A)
2,232,201,397 2
Net Transmission Plant - Total
Attach O, p 2, line 14 and 23b col 5 (Note B)
1,733,090,008
O&M EXPENSE 3
Total O&M Allocated to Transmission
Attach O, p 3, line 8 col 5
49,681,835 4
Annual Allocation Factor for O&M
(line 3 divided by line 1 col 3)
2.23%
GENERAL AND COMMON (G&C) DEPRECIATION EXPENSE 5
Total G&C Depreciation Expense
Attach O, p 3, lines 10 & 11, col 5 (Note H)
5,228,898 6
Annual Allocation Factor for G&C Depreciation Expense
(line 5 divided by line 1 col 3)
0.23%
TAXES OTHER THAN INCOME TAXES 7
Total Other Taxes
Attach O, p 3, line 20 col 5
2,738,849 8
Annual Allocation Factor for Other Taxes
(line 7 divided by line 1 col 3)
0.12% 9
Annual Allocation Factor for Expense
Sum of line 4, 6, and 8
2.58%
INCOME TAXES 10
Total Income Taxes
Attach O, p 3, line 27 col 5
58,177,523 11
Annual Allocation Factor for Income Taxes
(line 10 divided by line 2 col 3)
3.36%
RETURN 12
Return on Rate Base
Attach O, p 3, line 28 col 5
122,849,733 13
Annual Allocation Factor for Return on Rate Base
(line 12 divided by line 2 col 3)
7.09% 14
Annual Allocation Factor for Return
Sum of line 11 and 13
10.45%

12. Aic 2017 PROJECTED attachment gg
AIC Attachment GG Calculation - Page 2
(1)
(2)
(3)
(4)
(5)
(6)
Line No.
Project Name
MTEP Project Number
Project Gross Plant
Annual Allocation Factor for Expense
Annual Expense Charge
Project Net Plant
(Note C)
(Page 1 line 9)
(Col. 3 * Col. 4)
(Note D) 1a
Wood River-Roxford kV line
728
$ ,424,487
2.58%
$ ,442
$ ,888,922 1b
Sidney-Paxton 138kV Reconductor 18 miles
870
$ ,994,479
$ ,815
$ ,995,704 1c
Coffeen Plant-Coffeen, North - 2nd. Bus tie
2829
$ ,592,558
$ ,435
$ ,933,806 1d
Latham - Oreana 8.5 mile 345kV line
2068
$ ,630,957
$ ,301
$ ,192,653 1e
Brokaw – S. Bloom 345/138kV Trans& 345 line
2069
$ ,405,263
$ ,257
$ ,243,161 1f
Fargo-Mapleridge-20 mile 345kV line & New Sub
2472
$ ,955,825
$ ,393,481
$ ,918,347
(7)
(8)
(9)
(10)
(11)
(12)
Annual Allocation Factor for Return
Annual Return Charge
Project Depreciation Expense
Annual Revenue Requirement
True-Up Adjustment
Network Upgrade Charge
(Page 1 line 14)
(Col. 6 * Col. 7)
(Note E)
(Sum Col. 5, 8 & 9)
(Note F)
Sum Col. 10 & 11 (Note G)
10.45%
$ ,758
$ ,502
$ ,702
$ (13,035)
$ ,667
$ ,819
$ ,719
$ ,353
$ (22,730)
$ ,623
$ ,353
$ ,272
$ ,060
$ (15,880)
$ ,180
$ 2,318,099
$ ,167
$ ,344,568
$ (48,170)
$ 3,296,398
$ 3,054,550
$ ,124
$ ,406,930
$ (1,880,455)
$ 2,526,475
$ 5,527,505
$ ,298
$ ,844,284 $
$ 7,844,284 2
Annual Totals
$ ,578,897
$ (1,980,270)
$ 15,598,627 3
Rev. Req. Adj For Attachment O

13. Aic 2015 attachment gg True-up
(b)
(c)
(d)
(e)
(f)
(g)
(h)
(i)
(j)
(k)
Actual
Projected
Attachment GG
True-Up
Applicable
MTEP
Annual
Revenues
Adjustment
Interest
Total
Line
Project
Revenue
Allocated
Principal
Rate on
No.
Name
Number
Requirement 1
to Projects 1
Under/(Over)
[Col. (d), line 1
x (Col. (e), line 2x /
Col. (h) x Col. (i)
p 2 of 2, Col. 102
Col. (e), line 3)]2
Col. (g) - Col. (f)
Line 5
x 24 months 2
Col. (h) + Col. (j) 1
Actual Attachment GG revenues for True-Up Year 1
$ ,255,964 2a
Wood River-Roxford kV line
728
493,742
497,713
485,484
(12,229)
0.2747%
(806)
(13,035) 2b
Sidney-Paxton 138kV Reconductor 18 miles
870
867,016
873,990
852,666
(21,324)
(1,406)
(22,730) 2c
Coffeen Plant-Coffeen, North - 2nd. Bus tie
2829
847,036
853,849
838,951
(14,898)
(982)
(15,880) 2d
Latham - Oreana 8.5 mile 345kV line
2068
3,669,542
3,699,058
3,653,867
(45,191)
(2,979)
(48,170) 2e
Brokaw-S. Bloom 345/138kV Trans & 345kV line
2069
4,296,793
4,331,354
2,567,206
(1,764,148)
(116,307)
(1,880,455) 2f
Fargo-Mapleridge-20 mile 345kV line & New Sub
2472 - 3
Subtotal
$ ,174,129
$ ,255,964
$ ,398,174 4
Under/(Over) Recovery
$ (1,857,790)
$ (122,480)
$ (1,980,270) 5
Applicable Interest rate per month (expressed to four decimal places)
Interest Rate updated through July 2016
Amount excludes True-Up Adjustment, as reported in True-Up Year projected Attachment GG, page 2, column 11. 2
Rounded to whole dollars.

14. Aic 2017 PROJECTED attachment MM
AIC Attachment MM Calculation - Page 1
(1)
(2)
(3)
(4)
Attachment O
Line
Page, Line, Col.
Transmission
Allocator
No. 1
Gross Transmission Plant - Total
Attach O, p 2, line 2 col 5 (Note A)
2,232,201,397 1a
Transmission Accumulated Depreciation
Attach O, p 2, line 8 col 5 (Note J)
499,111,389 2
Net Transmission Plant - Total
Line 1 minus Line 1a (Note B)
1,733,090,008
O&M TRANSMISSION EXPENSE 3
Total O&M Allocated to Transmission
Attach O, p 3, line 8 col 5
49,681,835 3a
Transmission O&M
Attach O, p 3, line 1 col 5
59,336,832 3b
Less: LSE Expenses included in above, if any
Attach O, p 3, line 1a col 5, if any
1,703,652 3c
Less: Account 565 included in above, if any
Attach O, p 3, line 2 col 5, if any
23,725,630 3d
Adjusted Transmission O&M
Line 3a minus Line 3b minus Line 3c
33,907,550 4
Annual Allocation Factor for Transmission O&M
(Line 3d divided by line 1a, col 3)
6.79%
OTHER O&M EXPENSE 4a
Other O&M Allocated to Transmission
Line 3 minus Line 3d
15,774,286 4b
Annual Allocation Factor for Other O&M
Line 4a divided by Line 1, col 3
0.71%
GENERAL AND COMMON (G&C) DEPRECIATION EXPENSE 5
Total G&C Depreciation Expense
Attach O, p 3, lines 10 & 11, col 5 (Note H)
5,228,898 6
Annual Allocation Factor for G&C Depreciation Expense
(line 5 divided by line 1 col 3)
0.23%
TAXES OTHER THAN INCOME TAXES 7
Total Other Taxes
Attach O, p 3, line 20 col 5
2,738,849 8
Annual Allocation Factor for Other Taxes
(line 7 divided by line 1 col 3)
0.12% 9
Annual Allocation Factor for Other Expense
Sum of line 4b, 6, and 8
1.06%
INCOME TAXES 10
Total Income Taxes
Attach O, p 3, line 27 col 5
58,177,523 11
Annual Allocation Factor for Income Taxes
(line 10 divided by line 2 col 3)
3.36%
RETURN 12
Return on Rate Base
Attach O, p 3, line 28 col 5
122,849,733 13
Annual Allocation Factor for Return on Rate Base
(line 12 divided by line 2 col 3)
7.09% 14
Annual Allocation Factor for Return
Sum of line 11 and 13
10.45%

15. Aic 2017 PROJECTED attachment MM
AIC Attachment MM Calculation - Page 2
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
Line No.
Project Name
MTEP Project Number
Project Gross Plant
Project Accumulated Depreciation
Transmission O&M Annual Allocation Factor
Annual Allocation for Transmission O&M Expense
Other Expense Annual Allocation Factor
Annual Allocation for Other Expense
(Note C)
(Note K)
Page 1 line 4
(Col 4 * Col 5)
Page 1 line 9
(Col 3 * Col 7)
Multi-Value Projects (MVP) 1a
Pana-Sugar Creek - CWIP
2237 $ $
6.79% $
1.06% $ 1b
Pana-Sugar Creek - Plant in Service
$ 46,234,771
$ ,672
$ ,970
$ ,760 1d
Sidney-Rising - CWIP
2239 1e
Sidney-Rising - Plant in Service
$ ,434,378
$ ,786
$ ,641
$ ,073 1f
Palmyra-Pawnee - CWIP
3017
$ ,709,958
$ ,640 1g
Palmyra-Pawnee - Plant in Service
$ 33,530,161
$ ,926
$ ,637
$ ,632 1h
Fargo-Galesburg-Oak Grove - CWIP
3022 1i
Fargo-Galesburg-Oak Grove - Plant in Service
$ ,252,464
$ ,057
$ ,846
$ ,230 1j
Pawnee-Pana - CWIP
3169 1k
Pawnee-Pana - Plant in Service
$ 19,124,224
$ ,217
$ ,262
$ ,408
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
Annual Expense Charge
Project Net Plant
Annual Allocation Factor for Return
Annual Return Charge
Project Depreciation Expense
Annual Revenue Requirement
True-Up Adjustment
MVP Annual Adjusted Revenue Requirement
(Col 6 + Col 8)
(Col 3 - Col 4)
(Page 1 line 14)
(Col 10 * Col 11)
(Note E)
(Sum Col. 9, 12 & 13)
(Note F)
Sum Col. 14 & 15 (Note G)
10.45% $
$ (781,430)
$ ,730
$ 45,558,099
$ ,758,701
$ ,407
$ ,982,838
$ ,917
$ 6,204,755
$ (118,185)
$ ,714
$ 7,233,592
$ ,574
$ ,540
$ ,827
$ ,557
$ 1,150,384
$ ,640
$ 8,709,958
$ ,785
$ ,002,426
$ (241,492)
$ ,934
$ ,269
$ 32,814,235
$ ,427,561
$ ,805
$ ,311,635
$ (114,746)
$ 4,196,889
$ (3,332)
$ ,076
$ 4,166,407
$ ,196
$ ,658
$ ,930
$ ,107
$ ,037
$ ,307
$ ,670
$ 18,929,007
$ ,977,200
$ ,096
$ ,463,967
$ (20,198)
$ 2,443,769 2
MVP Total Annual Revenue Requirements
$15,287,623
-$745,495
$14,542,128 3
Rev. Req. Adj For Attachment O

16. Aic 2015 attachment MM true-up
(b)
(c)
(d)
(e)
(f)
(g)
(h)
(i)
(j)
(k)
Actual
Projected
Attachment MM
True-Up
Applicable
MTEP
Annual
Revenues
Adjustment
Interest
Total
Line
Project
Revenue
Allocated
Principal
Rate on
No.
Name
Number
Requirement 1
to Projects 1
Under/(Over)
[Col. (d), line 1
x (Col. (e), line 2x /
Col. (h) x Col. (i)
p 2 of 2, Col. 142
Col. (e), line 3)]2
Col. (g) - Col. (f)
Line 5
x 24 months 2
Col. (h) + Col. (j) 1
Actual Attachment MM revenues for True-Up Year 1
$ ,285,615 2a
Pana-Sugar Creek - CWIP
2237
1,607,856
1,495,129
762,031
(733,098)
0.2747%
(48,332)
(781,430) 2b
Pana-Sugar Creek - Plant in Service
240,874
223,986
432,177
208,191
13,726
221,917 2d
Sidney-Rising - CWIP
2239
410,772
381,973
271,098
(110,875)
(7,310)
(118,185) 2e
Sidney-Rising - Plant in Service -
161,884
10,673
172,557 2f
Palmyra-Pawnee - CWIP
3017
799,687
743,621
517,065
(226,556)
(14,936)
(241,492) 2g
Palmyra-Pawnee - Plant in Service
1,992,132
1,852,463
1,744,814
(107,649)
(7,097)
(114,746) 2h
Fargo-Galesburg-Oak Grove - CWIP
3022
76,612
71,241
68,115
(3,126)
(206)
(3,332) 2i
Fargo-Galesburg-Oak Grove - Plant
88,286
5,821
94,107 2j
Pawnee-Pana - CWIP
3169
535,820
498,254
540,759
42,505
2,802
45,307 2k
Pawnee-Pana - Plant in Service
20,378
18,949
(18,949)
(1,249)
(20,198) 3
Subtotal
$ ,684,131
$ ,285,616
$ ,586,229 4
Under/(Over) Recovery
$ (699,387)
$ (46,108)
$ (745,495) 5
Applicable Interest rate per month (expressed to four decimal places)
Interest Rate updated through July 2016
Amount excludes True-Up Adjustment, as reported in True-Up Year projected Attachment MM, page 2, column 15. 2
Rounded to whole dollars.

17. AMIL Pricing Zone Schedule 9 charge
Page.Line
Jan-16
Jan-17
Change
Percent
1.7
AIC Adjusted Revenue Requirement
207,875,940
239,886,596
32,010,656
15%
ATXI Adjusted Revenue Requirement
8,660,241
9,718,229
1,057,988
12%
PPI Adjusted Revenue Requirement
7,374,750
7,322,136
-52,614
-1%
Total Revenue Requirement
223,910,931
256,926,961
$33,016,030
1.15
Ameren Illinois Divisor
7,118,197
7,315,667
197,470 3%
Annual Cost ($/kW/Yr)
31.46
35.12
3.66
Network & P-to-P Rate ($/kW/Mo)
2.62
2.93
0.31

18. AIC 2017 PROJECTED MVP SPEND
Ameren MVPs
Ameren Name
2017 CAPEX
MTEP #s
MTEP Description
Illinois Rivers
$5.4 million
2237
Pana - Mt. Zion - Kansas - Sugar Creek 345 kV line
2239
Sidney to Rising 345 kV line
3017
Palmyra-Quincy-Meredosia - Ipava & Meredosia-Pawnee 345 kV Line
3169
Pawnee to Pana kV Line
Spoon River
$.03 million
3022
Fargo-Galesburg-Oak Grove 345 kV Line

19. 2017 PROJECTED projects added to transmission plant
Project Name
Total Cost
($Millions)
Physical Security Projects
40.6
Illinois Rivers Connections
22.6
Baldwin Ring Bus & Line Split
16.4
Lawrenceville South - Robinson Marathon
11.9
Searitt Switching Station
10.9
Intelligrid
10.4
Hoopeston West - Paxton East
10.1
Turkey Hill - Ashley
9.4
Gifford Switching Station
9.1
Gibson City South - Paxton East
8.9
Monument Program
8.7
Hickok Breaker Station TP728
8.1
East Galesburg - East Kewanee
8.0
Huff Substation Ring Bus
7.9
Cahokia-Dupo Ferry-Buck Knob
Louisville South - Olney North
7.2
Jacksonville -Meredosia 1
7.1
Hull Ring Bus
6.9
Prairie State Breaker and a Half
6.1
Kansas West – Sidney
5.5
Gallatin New Bulk Substation
5.4
228.9

20. Refunds will be required, but format is not yet determined
ROE complaints
MISO ROE Complaints
1st Complaint (EL14-12)
Covers November 12, 2013 through Feb 11, 2015
FERC order received September 28; set the Base ROE at 10.32%
Applicable going forward until 2nd complaint order
2nd Complaint (EL15-45)
Covers February 12, 2015 through May 11, 2016
Initial decision issued June 30th with a recommended Base ROE at 9.70%
RTO Adder (ER15-358)
FERC approved a 50 basis point adder for participation in an RTO
Effective January 6, 2015, applicable to complaint case refunds after that date and going forward (i.e., total ROE is now 10.82%)
Refunds will be required, but format is not yet determined
Will impact Schedules 7,8, 9, 26, 37, 38, 26A
Refund process and timing to be determined

21. 2017 Impact of new ROE Effective September 28, 2016
2017 Projected Capital Structure
Capital Structure Projection Posted on 8/31/16
Page.Line $ %
Cost
Weighted
4.27
Long Term Debt
2,665,883,538
47.30%
0.0550
0.0260
4.28
Preferred Stock
61,721,350
1.10%
0.0490
0.0005
4.29
Common Stock
2,908,148,803
51.60%
0.1238
0.0639
4.30
Total
5,635,753,692
100.0%
0.0904
Capital Structure Projection New ROE Effective 9/28/16
0.1082
0.0558
0.0824
Change in Return %

22. 2017 Impact of new ROE Effective September 28, 2016
2017 Projected Total Revenue Requirement
Page.Line
Posted 8/31/16
New ROE
Change
Percent
2.30
TOTAL RATE BASE
$1,358,324,006 0%
4.30
Rate of Return
9.04%
8.24%
-0.80%
-9%
3.28
Return
$122,849,733
$111,915,393
-10,934,341
3.27
Income Taxes
$58,177,523
$50,881,708
-7,295,814
-13%
Total Expenses Other Than Income Taxes
$95,379,399
3.29
TOTAL GROSS REV. REQ.
$276,406,655
$258,176,500
-18,230,155
-7%
3.30
Less ATT. GG Adjustment
$17,578,897
$16,346,373
-1,232,524
3.30a
Less ATT. MM Adjustment
$15,287,623
$14,052,589
-1,235,035
-8%
3.31
GROSS REV. REQ. UNDER ATT. O
$243,540,135
$227,777,538
-15,762,597
-6%

23. 2017 Impact of new ROE Effective September 28, 2016
2017 AMIL Pricing Zone Schedule 9 Charge
Page.Line
posted 8/31/16
New ROE
Change
Percent
1.7
AIC Adjusted Revenue Requirement
$239,886,596
$224,123,999
-15,762,597
-7%
ATXI Adjusted Revenue Requirement
$9,718,229
$9,023,817
-694,412
PPI Adjusted Revenue Requirement
7,322,136
$7,271,187
-50,949
-1%
Total Revenue Requirement
$256,926,961
$240,419,004
-$16,507,958
-6%
1.15
Ameren Illinois Divisor
7,315,667 0%
Annual Cost ($/kW/Yr)
$35.12
$32.86
-2.26
Network & P-to-P Rate ($/kW/Mo)
$2.93
$2.74
-0.19

24. 2016 Impact of new ROE Effective September 28, 2016
2016 AMIL Pricing Zone Schedule 9 Charge
(Ameren Calculation, MISO has not posted the rate change yet)
09/27/2016
09/28/2016
Page.Line
(12.38% ROE)
(10.82% ROE)
Change
Percent
1.7
AIC Adjusted Revenue Requirement
$207,875,940
$194,266,554
-13,609,385
-7%
ATXI Adjusted Revenue Requirement
$8,660,241
$7,966,789
-693,452
-8%
PPI Adjusted Revenue Requirement
7,374,750
$7,280,349
-94,401
-1%
Total Revenue Requirement
$223,910,930
$209,513,692
-$14,397,238
-6%
1.15
Ameren Illinois Divisor
7,118,197 0%
Annual Cost ($/kW/Yr)
$31.46
$29.43
-2.02
Network & P-to-P Rate ($/kW/Mo)
$2.62
$2.45
-0.17

25. Transmission Pricing - Attachments O, GG & MM Information
Miso web links
Transmission Pricing - Attachments O, GG & MM Information
Ameren OASIS
MTEP 16
Schedule 26 & 26-A Indicative Charges
Additional questions on these topics can be sent to Ameren at:

26. QUESTIONS?