STS Group AG

Investor Presentation • May 16, 2019

Agenda

• 1. STS at a glance
• 1. History and Footprint
• 1. Business Model
• 1. IPO - Strategic Projects
• 1. Financial Year 2018
• 1. Why invest in STS

STS at a glance

STS Group as the preferred global acoustics and plastics solution provider for transportation systems when it comes to design, comfort and efficiency.

• u Leading global supplier of soft and hard trim parts and systems to international commercial vehicle OEMs.
• u Diversified customer base and significant share of business as single source.
• u Vertical integration contributes to stable performance.
• u Highly attractive growth prospects based on market penetration and expansion in existing and new geographies along existing portfolio.

Key Facts Key Figures

401 mEUR	Revenue 2018
23.7 mEUR	Adjusted EBITDA 2018
2,500+	Employees
17	Sites
4	R&D Centers
80+	Years in the Industry

History

Long history to become one of the leading global Tier 1 truck suppliers for soft and hard trim.

Till 2013 part of Autoneum (former Rieter Group) as Truck Division and Italian Business Unit.

Global Footprint STS' global footprint allows proximity to key customers enabling quick expansion into new	- Germany France- Hallbergmoos (HQ) Blainville O ■ St. Désirat п Kandel г Précigné Félines ш Andance $\blacksquare$ Izernore ш Poland Międzyrzecz $\bigcirc$ Tournon China $\sqrt{\mathcal{L}^2}$ Wuxi $\bullet$ Mexico. Qingdao $\blacksquare$ Ramos $\blacksquare$ Shiyan Jiangyin Brazil - Italy $\blacksquare$ Bétim ⊘ Santhiá Desio $\blacksquare$ Pignataro
markets.		Europe	Americas	Greater China	Total
	Headquarters					Headquarters $\bullet$ -
	Manufacturing sites	8	$\overline{c}$	$\overline{c}$	12	R&D center Ø
	Satellite sites	$\overline{4}$	$\overline{\phantom{a}}$		4	Manufacturing ш Satellite sites, e.g. just-in- - ∎
	R&D centers	3			4	sequence
	Employees 1)	1,829	257	478	2,564
	1) Based on management estimates
	www.sts.group			STS Group @ 2019			Slide 5

www.sts.group STS Group © 2019 Slide 6 STS provides a vertical integrated production process for various batch sizes and offers its customers local production through its global footprint. STS Group's USP Source: STS, expert interviews, gp analysis 2 HIGH VERTICAL INTEGRATION BATCH-SIZE FLEXIBILITY GLOBAL REACH COMBINE TECHNOLOGIES Customer-centric batch-size flexibility to meet decreasing lot sizes, e.g. for commercial, passenger, agricultural & construction vehicles Global customer reach through local production Technological know-how for structural, visual, acoustic, and thermal parts Vertically integrated production from semi-finished goods to complete systems 1 2 3 4 2 ^{4 3 1}

Investor Presentation www.sts.group STS Group © 2019 Slide 7 • Mold design • Prototyping • Process control • Cutting • Textile lamination • PVC lamination • Assembly • Quality control Acoustics Technologies, Felt thermoforming, PU foaming, Textile lamination Composite thermocompression: SMC, BMC, AMC Injection molding Raw Material Semi Finish Molding Finishing • Mold design • Prototyping • Process control • In mold coating (IMC) • Deburring, machining • Painting • Gluing • Assembly • Quality control • Mold design • Prototyping • Process control • Deburring, machining • Painting • Gluing • Assembly • Quality control Pellets (PP, PC, ABS, PA, POM) Glass fiber Resins Fiber Resins • Cotton, polyester, polyamide, glass wool • Phenolic, polyester, thermoplastic • Binder • Resin paste • Glass fiber reinforcement • Compression • Maturation BU Acoustics BU Materials BU Plastics / BU China Technology Vertical Integration The broad technology competence and the strong vertical integration create a quite unique market position for STS.

Drivers for potential sales growth

Drivers for additional profit

Expanding in China:

• ü New HQ and R&D center in Wuxi
• ü Third plant in Shyian
• o Additional technology with introduction of injection molding

Improving footprint/cost structure in Europe:

• ü New plant in best cost country
• o Optimization of actual footprint
• o Improving cost structure (e.g. BU Acoustics)

Entering the US Market:

• ü First order from premium NAFTA truck brand
• o New plant follows business award
• o Footprint by acquisition or greenfield

Benefitting from system approach & new technologies:

• ü Development of new product systems & innovations
• ü First EV order (New customers & new applications)
• o Expansion of new products & technologies

Process Innovation:

• o Increased automation in production (ongoing)
• o Operation excellence within all plants

Expanding in China

Strategic Rationale:

• u China is the world's biggest market for medium and heavy commercial vehicles (MHCV).
• u STS will gain market share significantly. based on technology know-how, quality and customer contact.
• u Newly implemented restrictions and regulatory changes (longnose, EURO6), are expected to have positive effect on truck demand. STS - Quingdao

Status:

• u New headquarter and R&D center in Wuxi (tech-hub, highly qualified people) opened end of 2018
• u Third plant (SMC, painting) in Shiyan opened on 11th April 2019 (SOP in Q1 2019)

Next Steps:

• u Introduction of injection molding technology beside SMC
• u Extend portfolio and further develop to system supplier in China
• u Further growth due to extension of market share

Entering the US Market

Strategic Rationale:

• u North America is the world's third biggest market for medium and heavy commercial vehicles (MHCV).
• u Great demand for technological progress, such as light-weight plastic based components.
• u High number of RFQ's, with high demand for STS advanced technology.

Status:

• u Strategic first order from premium NAFTA truck brand, will be supplied initially from plant in Mexico
• u Order presents a new customer for SMC exterior parts, with program lifetime 10 years (SOP 2020).

Next Steps:

• u Discussion with major American truck OEMs are ongoing
• u Establishment of local footprint (green field or acquisition) will be analyzed after award of significant business

STS - Międzyrzecz

Improving Footprint in Europe

Strategic Rationale:

• u Europe is the world's second biggest market for medium and heavy commercial vehicles (MHCV).
• u Poland is the best cost country in Europe for Commercial Vehicle Interior Trim.
• u Several customers are placed in North Europe.

u Further improvement to increase profitability in

u New projects for better capacity utilization of Poland

Status:

• u Greenfield Plant Międzyrzecz is ramping up. Total capacity 600,000 parts/a. Lean Batch and JIS production for European Truck OEMs.
• u Expansion: High number of new RFQ's.
• u STS invests into latest technology for PVC Vacuum Lamination.

Next Steps:

Poland plant.

plant in pipeline.

Product Innovation

Entry to electromobility market with order for battery cover for e-SUV.

• u New customer.
• u Volume: 30,000 per year.
• u SOP second half 2019.

Tech-Days in Jiangyin strengthen cooperation with customers.

• u 30 participants from 19 OEMs from automotive industry.
• u Exchange information with actual and potential customers.
• u Strengthen STS' leading technical supplier image.

Strong need for tier 1 system suppliers.

• u High interest in parts for e-mobility (e.g. battery cover).
• u The four STS R&D centers in Italy, China and two in France linked their expertise and work in close cooperation.
• u STS combines acoustic, esthetic and structural functions.
• u STS further develops low density SMC (light weight).

Process Innovation Automation

Fully automated machine loading.

• u High productivity.
• u High quality.

Fully automated milling and deburring.

• u Difficult geometry possible.
• u High productivity.
• u High accuracy.

Revenues & Adj. EBITDA per Business Unit

Top line growth essentially attributable to acquisitions carried out in financial year 2017.

-0.5 BU China Conso 2017 -4.0 BU Acoustics 10.3 23.7 BU Plastics 0.7 3.0 BU Materials 2018 14.2 Adj. EBITDA in mEUR

• u Growth of BUs Plastics and Materials due to full year effect of businesses acquired in 2017
• u Organically, BU Plastics decreased due to planned phase out of truck project
• u Organic growth of BU China amounts to +2.4%
• u BU Plastics and BU China with major contributions to growth of Adj. EBITDA, also due to numerous efficiency measures
• u Decline of Adj. EBITDA of BU Acoustics due to lower topline and ramp-up costs of Polish plant

Net Result & Equity Negative net result in 2018 but increase of equity level. -7.9 -1.3 Adj EBITDA Deprec. EBIT 23.7 IPO -3.8 Integ. 11.9 EBITDA -13.2 -3.5 Interest/Tax -4.8 Net Result Net Result y.e. 2018 in mEUR Equity in mEUR 5.9% 3.0% -0.3% -1.2% u EBITDA adjustments for IPO costs and integration of 2017 acquired activities u Depreciation in line with CAPEX, which refers mainly to investments for maintenance, new projects and strategic growth u Exluding adjustments net result would be positive in 2018 u Strong increase of equity due to IPO u Solid equity level with ard. 30% 60.9 82.5 2017 y.e. -4.9 26.5 Cap Increase Result 2018 2018 y.e. 22.1% 30.1%

• u Positive net liquidity position as of Dec 31, 2018 (prior year: -8.7 mEUR)
• u Liquidity situation gives financial flexibility (e.g. for acquisitions)

Solid financial position.

• u Significant increase of liquidity in 2018
• u Operating Cash-flow positive despite high payouts for special items
• u CAPEX ard. 3.5% of Sales
• u Financing Cash-flow positive due to capital increase

ISIN:

SF3

DE000A1TNU68 Ticker symbol:

Regulated Market: Prime Standard

Share Value

27/02/2019 H&A 17.00 € Buy

in STS Group?

Why invest One of the leading global system suppliers for interior and exterior trim parts with focus on commercial vehicles Excellent market position Trusted Tier 1 partner for leading European and Chinese truck OEMs with significant cross-selling potential through combination of technologies Cross-selling Vertically integrated along the value chain and technological expertise resulting in full process control and securing competitive advantage Vertical integration Solid order book with approx. 1.9 bnEUR of revenue already contracted until 2022, plus additional pipeline Outstanding visibility Expansion in China to benefit from strong truck market and direct entry into the US with own production Strong growth prospects Material and process know-how as significant and customer-relevant entry barriers, matching industry trends emission and weight reduction Solid entry barriers

Disclaimer This presentation may contain forward-looking statements that are subject to risks and uncertainties, including those pertaining to the anticipated benefits to be realized from the proposals described herein. Forward-looking statements may include, in particular, statements about future events, future financial performance, plans, strategies, expectations, prospects, competitive environment, regulation and supply and demand. STS Group AG has based these forward-looking statements on its current views and expectations and on certain assumptions of which many are beyond STS Group AG's control. Actual financial performance could differ materially from that projected in forward-looking statements due to the inherent uncertainty of estimates, forecasts and projections, and financial performance may be better or worse than anticipated. Given these uncertainties, readers should not put undue reliance on any forward-looking statements. The information contained in this presentation is subject to change without notice and STS Group AG does not undertake any duty to update the forward-looking statements, and the estimates and assumptions associated with them, except to the extent required by applicable laws and regulations.

This presentation includes references to non-IFRS financial measures, including, but not limited to: FCF, EBITDA, EBITA, EBIT, EBITA margin, capital expenditure as percentage of revenue, other operating income, net financial debt, and net working capital. We have provided these measures and other information in this presentation because we believe they provide investors with additional information to assess our performance. Our use of these supplemental financial measures may vary from others in our industry and should not be considered in isolation or as an alternative to our results as reported under IFRS.

Due to rounding, numbers presented throughout this and other documents may not add up precisely to the totals provided and percentages may not precisely reflect the absolute figures.

Thank you for your attention

Contact Us

Stefan Hummel Head of Investor Relations ir@sts.group

Agenda

• 1. STS at a glance
• 1. History and Footprint
• 1. Business Model
• 1. IPO Strategic Projects
• 1. Financial Year 2018
• 1. Why invest in STS
• 7. Financial Calendar

Upcoming conferences / publications…

7/8 May 2019	MKK Munich Capital Market Conference, Munich
15 May 2019	Publication Quarterly Statement (call-date Q1)
17 May 2019	Annual General Meeting
28 May 2019	MainFirst SMID CAP Event, Frankfurt/Main
4 June 2019	Prior Capital Market Conference, Frankfurt/Main
27 June 2019	Market Capital Day, Frankfurt/Main
7 August 2019	Publication half-yearly financial report
2/3 September 2019	Autumn Conference, Frankfurt/Main
11 September 2019	ZKK Zurich Capital Market Conference, Zurich
6 November 2019	Publication Quarterly Statement (call-date Q3)
25/27 November 2019	German Equity Forum 2019, Frankfurt/Main

STS Group

Executive Board

Highly experienced managers with track record in the automotive

industry.

Supervisory Board

Andreas Becker

STS Board Member since 2013 22 Years Industry Experience

STS Board Member since 2019 20 Years Industry Experience

Patrick Oschust

STS Board Member since 2013 19 Years Industry Experience

Bernd Maierhofer

STS Board Member since 2018 29 Years Industry Experience

Robin Laik

STS Board Member since 2018 20 Years Industry Experience

Dr. Kristian Schleede

STS Board Member since 2014 30 Years Industry Experience

Product Portfolio STS Group

STS offers the complete set of product solutions for interior trim, exterior trim and acoustics of a truck cabin.

STS components contribute to comfort, functionality, aerodynamic and weight reduction.

Product Portfolio MHCV, LCV

STS offers a complete set of product solutions for interior trim, exterior trim and acoustics.

Revenues & Adj. EBITDA 1HY vs. 2HY 2018

Adj. EBITDA in mEUR

-3.2

-5.0

BU Acoustics

BU Plastics BU Materials

BU China

-1.3

• u Second half year with lower topline than first six months due to lower production in Europe due to holiday season (>10% less working days)
• u Phase out of truck project of BU Plastics

• u Decline of European Passenger Car market in the second half

• u Adjusted EBITDA decreased in second half of the year, mainly due to lower revenues

• u BU results negatively affected by true up of HQ cost allocation in fourth quarter

1HY 2018

15.9

-0.7 7.8

Conso 2HY 2018

2.0

Statement	mEUR IFRS	FY2018	FY2017
	Revenue	401.2	310.0
	Inventory changes	5.8	2.5
	Other operating income	4.5	55.7
	Cost of materials	-233.8	-190.6
	Personnel expenses	-103.9	-75.6
	Other operating expenses	-61.9	-47.0
Revenue FY2017 increased by (310 EURm)	EBITDA	11.9	55.0
	Depreciation and amortisation	-13.2	-8.2
for >29% to 401 2 EURm	EBIT	-1.3	46.9
due FY2018 to past	Financial result	-2.0	-3.1
acquisition	EBT	-3.3	43.8
Adjusted EBITDA margin increased to 5 9%	Taxes	-1.5	3.1
	Net result	-4.8	47.0
	Adjusted EBITDA	23.7	14.2
	Adjusted EBITDA in % of revenue	5.9%	4.6%

Balance

Sheet	mEUR IFRS	31 Dec 2018	31 Dec 2017
	Intangible assets	25.6	24.6
	Property, plant and equipment	78.7	79.0
	Contract assets	0.1	0
	Other financial assets	0.2	0.3
	Tax receivables	0.1	1.6
	Other assets	3.0	0.8
	Deferred tax assets	8.0	8.6
	Non-current assets	115.6	114.8
Cash and cash	Inventories	29.9	28.1
equivalents amount	Contract assets	5.0	0.0
increased to 31 2 mEUR	Trade and other receivables	81.1	99.3
Equity ratio increase 30% to	Other financial assets	1.2	13.1
	Other assets	6.6	3.8
	Tax receivables	1.2	0.0
	Cash and cash equivalents	31.2	15.8
	Restricted cash	2.0	0.0
	Current assets	158.2	160.2
	Total assets	273.8	275.0

mEUR IFRS	31 Dec 2018	31 Dec 2017
Total equity	82.4	60.7
Contract liabilities	1.1	0
Trade payables	0.8	0.6
Other financial liabilities	13.2	17.1
Provisions	20.1	21.1
Deferred tax liabilities	4.0	7.0
Non-current liabilities	39.2	45.9
Contract liabilities	4.7	0
Trade payables	70.0	83.8
Other financial liabilities	49.2	45.6
Provisions	1.1	3.4
Income tax liabilities	0.1	1.7
Other non-financial liabilities	27.1	33.9
Current liabilities	152.3	168.4
Total equity and liabilities	273.8	275.0
Equity ratio in %	30%	22%

Cash

Financing Cash-flow positive due to capital increase.

Flow	mEUR IFRS	31 Dec 2018	31 Dec 2017
	Net Income	-4.8	47.0
	Change in NWC	1.9	-7.2
	Operating NCF	7.1	-8.7
	Investing NCF	-13.9	-17.2
	Financial NCF	22.1	39.2
	Net increase/decrease	15.3	13.2
Financing Cash-flow	Cash at the beginning of period	15.8	2.6
positive due capital to	Cash at the end of period	31.2	15.8