Spire Missouri 8-K Platt’s 7th Annual Storage Outlook

Platt’s 7th Annual Storage Outlook

Houston, TX

January 16th, 2009

This presentation contains forward-looking statements within the meaning of
Section 21E of the Securities Exchange Act of 1934, as amended.Future
operating results may be affected by various uncertainties and risk factors, many
of which are beyond the control of The Laclede Group, Inc., including weather
conditions, governmental and regulatory policy and action, the competitive
environment and economic factors.For a more complete description of these
uncertainties and risk factors, see The Laclede Group’s Form 10-K for the year
ended September 30, 2008 filed with the Securities and Exchange Commission.

•Public utility holding
company formed Oct. ‘01

•Strong utility platform

•Growth components
complementary to core
LDC business

•Demonstrated strategic
success

•S&P Small Cap 600
Company

•Established as The
Laclede Gas Light
Company in 1857, and
was an original Dow
Jones index company

•Largest LDC in Missouri,
serving St. Louis and the
surrounding 10 counties

•Overall strategy

–Reliably meet our customer’s weather-sensitive load
requirements

–Insofar as compatible with dependability, do as economically
as possible

•Supply system assets

–Diverse supply and transportation access as well as
significant storage to provide reliability, flexibility

–16,000 miles of distribution pipes serving 630,000 customers

•Regulatory elements

–Oversight and review by MoPSC

–Off-system sales and pipeline capacity release, gas supply
incentive program (GSIP)

•Financial Instruments

–Generally, up to 70% of Laclede’s flowing supply is
covered with NYMEX financial hedges

•Physical Storage

–Upstream (North Louisiana): Approximately 23 Bcf of
leased underground storage off MRT

–Behind City Gates (North St. Louis): Approximately 4 Bcf
of underground natural gas storage and approximately 3
Bcf equivalent of propane in an underground cavern

Diversified supply

–27 different suppliers

Total Utility Deliveries ~ 83Bcf

–Mainly MRT; Southern Star,
Panhandle & MoGas as well

Transport customers ~ 17 Bcf

HUGOTON ANADARKO

BASIN

(42%)

ONSHORE

TEXAS REGION

(16%)

OFF-SHORE

GULF COAST REGION

(12%)

ARKOMA &ARKLA-TEX REGIONS

(30%)

Laclede’s portfolio allows flexible access to Midcontinent supplies

Flowing Supply

MRT

Storage

Lange Gas

Storage &

Propane

Vaporization

Approximately 63% of Laclede’s peak day supply comes from
natural gas or propane storage - Peak Day ~1.1Bcf

Rocky Mts

LNG

LNG

LNG

Canadian Gas

Reduction

Marcellus Shale

•Links LDC propane storage
to vaporization facilities -
“needle peaking”

•Connects to Conoco Philips
Wood River refinery

•Granted interstate tariff by
FERC (Apr. ’06)

•Uniquely situated LPG
pipeline

–Market crossroads location

–Only U.S. interstate LPG
pipeline with LDC customer

•Non-regulated, regional
natural gas marketer

–Organically grown

–Large base of retail
customers and growing
wholesale business (85%
of LER’s revenues in ‘08)

–Arranges for gas from over
60 suppliers

–Transacts business on
twelve interstate pipelines

75% of Business Activity

99% of Business Activity

Traditional story

•Reliability is paramount

•Asset portfolio mix optimization

•Supply hedging through financial and physical means

Non-traditional elements

•Shifting supply and infrastructure

•Peaking capabilities

•Other corporate affiliate interests