REGULATORY MATTERS

As explained in Note 1, Summary of Significant Accounting Policies, Laclede Gas and Alagasco account for regulated operations in accordance with FASB ASC Topic 980, “Regulated Operations.” The following regulatory assets and regulatory liabilities, including purchased gas adjustments, were reflected in the balance sheets of the Company and the Utilities as of December 31, 2016, September 30, 2016 and December 31, 2015.



	December 31,		September 30,		December 31,
Spire	2016		2016		2015
Regulatory Assets:
Current:
Pension and postretirement benefit costs	$	63.2	$	27.0	$	26.7
Unamortized purchased gas adjustments	52.2		49.7		44.6
Other	19.1		17.2		5.0
Total Regulatory Assets (current)	134.5		93.9		76.3
Non-current:
Future income taxes due from customers	155.5		151.3		138.7
Pension and postretirement benefit costs	439.2		487.9		441.3
Cost of removal	131.6		130.6		79.4
Purchased gas costs	4.7		12.6		11.5
Energy efficiency	26.0		25.5		23.0
Other	29.4		30.1		33.1
Total Regulatory Assets (non-current)	786.4		838.0		727.0
Total Regulatory Assets	$	920.9	$	931.9	$	803.3

Regulatory Liabilities:
Current:
Rate Stabilization and Equalization (RSE) adjustment	$	3.8	$	7.5	$	11.1
Unbilled service margin	22.0		5.9		16.4
Refundable negative salvage	9.0		9.3		10.5
Unamortized purchased gas adjustments	1.4		1.7		14.3
Other	8.0		6.2		3.5
Total Regulatory Liabilities (current)	44.2		30.6		55.8
Non-current:
Postretirement liabilities	28.3		28.9		28.4
Refundable negative salvage	8.9		9.4		15.8
Accrued cost of removal	74.7		74.8		58.6
Other	20.2		17.6		26.3
Total Regulatory Liabilities (non-current)	132.1		130.7		129.1
Total Regulatory Liabilities	$	176.3	$	161.3	$	184.9



	December 31,		September 30,		December 31,
Laclede Gas	2016		2016		2015
Regulatory Assets:
Current:
Pension and postretirement benefit costs	$	56.3	$	20.2	$	20.2
Unamortized purchased gas adjustments	33.8		43.1		44.6
Other	3.4		3.7		0.7
Total Regulatory Assets (current)	93.5		67.0		65.5
Non-current:
Future income taxes due from customers	155.5		151.3		138.7
Pension and postretirement benefit costs	333.3		375.7		362.2
Purchased gas costs	4.7		12.6		11.5
Energy efficiency	26.0		25.5		23.0
Other	23.9		24.7		28.5
Total Regulatory Assets (non-current)	543.4		589.8		563.9
Total Regulatory Assets	$	636.9	$	656.8	$	629.4

Regulatory Liabilities:
Current:
Other	$	2.7	$	1.3	$	1.1
Total Regulatory Liabilities (current)	2.7		1.3		1.1
Non-current:
Accrued cost of removal	54.8		55.1		58.6
Other	12.5		12.2		22.8
Total Regulatory Liabilities (non-current)	67.3		67.3		81.4
Total Regulatory Liabilities	$	70.0	$	68.6	$	82.5



	December 31,		September 30,		December 31,
Alagasco	2016		2016		2015
Regulatory Assets:
Current:
Pension and postretirement benefit costs	$	6.8	$	6.8	$	6.5
Unamortized purchased gas adjustments	17.1		5.6		—
Other	7.6		8.1		4.3
Total Regulatory Assets (current)	31.5		20.5		10.8
Non-current:
Pension and postretirement benefit costs	96.8		98.9		79.1
Cost of removal	131.6		130.6		79.4
Other	1.1		1.2		4.0
Total Regulatory Assets (non-current)	229.5		230.7		162.5
Total Regulatory Assets	$	261.0	$	251.2	$	173.3

Regulatory Liabilities:
Current:
RSE adjustment	$	3.8	$	5.0	$	11.1
Unbilled service margin	22.0		5.9		16.4
Refundable negative salvage	9.0		9.3		10.5
Unamortized purchased gas adjustments	—		—		14.3
Other	2.6		2.5		2.4
Total Regulatory Liabilities (current)	37.4		22.7		54.7
Non-current:
Postretirement liabilities	28.3		28.9		28.4
Refundable negative salvage	8.9		9.4		15.8
Other	3.4		3.4		3.5
Total Regulatory Liabilities (non-current)	40.6		41.7		47.7
Total Regulatory Liabilities	$	78.0	$	64.4	$	102.4

A portion of the Company’s and Laclede Gas’ regulatory assets are not earning a return, as shown in the schedule below:



	Spire						Laclede Gas
	December 31,		September 30,		December 31,		December 31,		September 30,		December 31,
	2016		2016		2015		2016		2016		2015
Future income taxes due from customers	$	155.5	$	151.3	$	138.7	$	155.5	$	151.3	$	138.7
Pension and postretirement benefit costs	231.4		240.6		217.7		231.4		240.6		217.7
Other	12.2		12.9		13.5		12.2		12.9		13.5
Total Regulatory Assets Not Earning a Return	$	399.1	$	404.8	$	369.9	$	399.1	$	404.8	$	369.9

Like all the Company’s regulatory assets, these regulatory assets are expected to be recovered from customers in future rates. The Company and Laclede Gas expect these items to be recovered over a period not to exceed 15 years consistent with precedent set by the MoPSC. Alagasco does not have any regulatory assets that are not earning a return.